Home / 38,468.28-53,086.32-21,472.14

Finding the Fourth Proportional to 38,468.28, 53,086.32 and 21,472.14

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Solution

The fourth proportional to 38,468.28, 53,086.32 and 21,472.14 is: 29,631.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,468.28 : 53,086.32 = 21,472.14 : x
  2. Step 2: Convert to fraction form
    38,468.28/53,086.32 = 21,472.14/x
  3. Step 3: Cross multiply
    38,468.28x = 53,086.32 × 21,472.14
  4. Step 4: Simplify right side
    38,468.28x = 1,139,876,895.12
  5. Step 5: Solve for x
    x = 1,139,876,895.12/38,468.28
  6. Step 6: Final answer
    x = 29,631.61

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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.