Home / 38,987.93-53,803.90-23,875.08

Finding the Fourth Proportional to 38,987.93, 53,803.90 and 23,875.08

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Solution

The fourth proportional to 38,987.93, 53,803.90 and 23,875.08 is: 32,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,987.93 : 53,803.90 = 23,875.08 : x
  2. Step 2: Convert to fraction form
    38,987.93/53,803.90 = 23,875.08/x
  3. Step 3: Cross multiply
    38,987.93x = 53,803.90 × 23,875.08
  4. Step 4: Simplify right side
    38,987.93x = 1,284,572,416.81
  5. Step 5: Solve for x
    x = 1,284,572,416.81/38,987.93
  6. Step 6: Final answer
    x = 32,947.95

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Half scale
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Double scale
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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.