Home / 42,397.92-63,598.23-21,326.45

Finding the Fourth Proportional to 42,397.92, 63,598.23 and 21,326.45

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Solution

The fourth proportional to 42,397.92, 63,598.23 and 21,326.45 is: 31,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,397.92 : 63,598.23 = 21,326.45 : x
  2. Step 2: Convert to fraction form
    42,397.92/63,598.23 = 21,326.45/x
  3. Step 3: Cross multiply
    42,397.92x = 63,598.23 × 21,326.45
  4. Step 4: Simplify right side
    42,397.92x = 1,356,324,472.18
  5. Step 5: Solve for x
    x = 1,356,324,472.18/42,397.92
  6. Step 6: Final answer
    x = 31,990.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.