Home / 38,218.84-52,740.23-21,224.16

Finding the Fourth Proportional to 38,218.84, 52,740.23 and 21,224.16

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Solution

The fourth proportional to 38,218.84, 52,740.23 and 21,224.16 is: 29,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,218.84 : 52,740.23 = 21,224.16 : x
  2. Step 2: Convert to fraction form
    38,218.84/52,740.23 = 21,224.16/x
  3. Step 3: Cross multiply
    38,218.84x = 52,740.23 × 21,224.16
  4. Step 4: Simplify right side
    38,218.84x = 1,119,367,251.20
  5. Step 5: Solve for x
    x = 1,119,367,251.20/38,218.84
  6. Step 6: Final answer
    x = 29,288.36

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Half scale
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Double scale
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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.