Home / 42,154.80-63,233.28-19,962.96

Finding the Fourth Proportional to 42,154.80, 63,233.28 and 19,962.96

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Solution

The fourth proportional to 42,154.80, 63,233.28 and 19,962.96 is: 29,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,154.80 : 63,233.28 = 19,962.96 : x
  2. Step 2: Convert to fraction form
    42,154.80/63,233.28 = 19,962.96/x
  3. Step 3: Cross multiply
    42,154.80x = 63,233.28 × 19,962.96
  4. Step 4: Simplify right side
    42,154.80x = 1,262,323,439.31
  5. Step 5: Solve for x
    x = 1,262,323,439.31/42,154.80
  6. Step 6: Final answer
    x = 29,944.95

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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.