Home / 38,500.12-53,129.76-22,581.55

Finding the Fourth Proportional to 38,500.12, 53,129.76 and 22,581.55

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Solution

The fourth proportional to 38,500.12, 53,129.76 and 22,581.55 is: 31,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,500.12 : 53,129.76 = 22,581.55 : x
  2. Step 2: Convert to fraction form
    38,500.12/53,129.76 = 22,581.55/x
  3. Step 3: Cross multiply
    38,500.12x = 53,129.76 × 22,581.55
  4. Step 4: Simplify right side
    38,500.12x = 1,199,752,331.93
  5. Step 5: Solve for x
    x = 1,199,752,331.93/38,500.12
  6. Step 6: Final answer
    x = 31,162.30

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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.