Home / 42,414.90-63,622.35-42,123.30

Finding the Fourth Proportional to 42,414.90, 63,622.35 and 42,123.30

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Solution

The fourth proportional to 42,414.90, 63,622.35 and 42,123.30 is: 63,184.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,414.90 : 63,622.35 = 42,123.30 : x
  2. Step 2: Convert to fraction form
    42,414.90/63,622.35 = 42,123.30/x
  3. Step 3: Cross multiply
    42,414.90x = 63,622.35 × 42,123.30
  4. Step 4: Simplify right side
    42,414.90x = 2,679,983,335.76
  5. Step 5: Solve for x
    x = 2,679,983,335.76/42,414.90
  6. Step 6: Final answer
    x = 63,184.95

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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.