Home / 42,655.95-63,891.59-27,819.86

Finding the Fourth Proportional to 42,655.95, 63,891.59 and 27,819.86

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Solution

The fourth proportional to 42,655.95, 63,891.59 and 27,819.86 is: 41,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,655.95 : 63,891.59 = 27,819.86 : x
  2. Step 2: Convert to fraction form
    42,655.95/63,891.59 = 27,819.86/x
  3. Step 3: Cross multiply
    42,655.95x = 63,891.59 × 27,819.86
  4. Step 4: Simplify right side
    42,655.95x = 1,777,454,630.42
  5. Step 5: Solve for x
    x = 1,777,454,630.42/42,655.95
  6. Step 6: Final answer
    x = 41,669.56

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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.