Home / 38,431.04-53,054.88-27,279.68

Finding the Fourth Proportional to 38,431.04, 53,054.88 and 27,279.68

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Solution

The fourth proportional to 38,431.04, 53,054.88 and 27,279.68 is: 37,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.04 : 53,054.88 = 27,279.68 : x
  2. Step 2: Convert to fraction form
    38,431.04/53,054.88 = 27,279.68/x
  3. Step 3: Cross multiply
    38,431.04x = 53,054.88 × 27,279.68
  4. Step 4: Simplify right side
    38,431.04x = 1,447,320,148.84
  5. Step 5: Solve for x
    x = 1,447,320,148.84/38,431.04
  6. Step 6: Final answer
    x = 37,660.19

Related Problems

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Half scale
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Double scale
Find fourth proportional to 38,432.04, 53,056.26 and 27,280.68
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.