Home / 38,737.11-53,454.97-21,739.77

Finding the Fourth Proportional to 38,737.11, 53,454.97 and 21,739.77

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Solution

The fourth proportional to 38,737.11, 53,454.97 and 21,739.77 is: 29,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,737.11 : 53,454.97 = 21,739.77 : x
  2. Step 2: Convert to fraction form
    38,737.11/53,454.97 = 21,739.77/x
  3. Step 3: Cross multiply
    38,737.11x = 53,454.97 × 21,739.77
  4. Step 4: Simplify right side
    38,737.11x = 1,162,098,753.16
  5. Step 5: Solve for x
    x = 1,162,098,753.16/38,737.11
  6. Step 6: Final answer
    x = 29,999.62

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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.