Home / 39,227.92-54,134.86-21,322.96

Finding the Fourth Proportional to 39,227.92, 54,134.86 and 21,322.96

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Solution

The fourth proportional to 39,227.92, 54,134.86 and 21,322.96 is: 29,425.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,227.92 : 54,134.86 = 21,322.96 : x
  2. Step 2: Convert to fraction form
    39,227.92/54,134.86 = 21,322.96/x
  3. Step 3: Cross multiply
    39,227.92x = 54,134.86 × 21,322.96
  4. Step 4: Simplify right side
    39,227.92x = 1,154,315,454.39
  5. Step 5: Solve for x
    x = 1,154,315,454.39/39,227.92
  6. Step 6: Final answer
    x = 29,425.86

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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.