Home / 42,336.76-63,517.48-18,957.72

Finding the Fourth Proportional to 42,336.76, 63,517.48 and 18,957.72

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Solution

The fourth proportional to 42,336.76, 63,517.48 and 18,957.72 is: 28,442.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,336.76 : 63,517.48 = 18,957.72 : x
  2. Step 2: Convert to fraction form
    42,336.76/63,517.48 = 18,957.72/x
  3. Step 3: Cross multiply
    42,336.76x = 63,517.48 × 18,957.72
  4. Step 4: Simplify right side
    42,336.76x = 1,204,146,600.95
  5. Step 5: Solve for x
    x = 1,204,146,600.95/42,336.76
  6. Step 6: Final answer
    x = 28,442.11

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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.