Home / 42,414.38-63,611.85-19,047.50

Finding the Fourth Proportional to 42,414.38, 63,611.85 and 19,047.50

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Solution

The fourth proportional to 42,414.38, 63,611.85 and 19,047.50 is: 28,566.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,414.38 : 63,611.85 = 19,047.50 : x
  2. Step 2: Convert to fraction form
    42,414.38/63,611.85 = 19,047.50/x
  3. Step 3: Cross multiply
    42,414.38x = 63,611.85 × 19,047.50
  4. Step 4: Simplify right side
    42,414.38x = 1,211,646,712.88
  5. Step 5: Solve for x
    x = 1,211,646,712.88/42,414.38
  6. Step 6: Final answer
    x = 28,566.88

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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.