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Finding the Fourth Proportional to 38,224.58, 52,747.47 and 21,227.47

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Solution

The fourth proportional to 38,224.58, 52,747.47 and 21,227.47 is: 29,292.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,224.58 : 52,747.47 = 21,227.47 : x
  2. Step 2: Convert to fraction form
    38,224.58/52,747.47 = 21,227.47/x
  3. Step 3: Cross multiply
    38,224.58x = 52,747.47 × 21,227.47
  4. Step 4: Simplify right side
    38,224.58x = 1,119,695,205.13
  5. Step 5: Solve for x
    x = 1,119,695,205.13/38,224.58
  6. Step 6: Final answer
    x = 29,292.55

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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.