Home / 42,562.25-63,833.10-18,856.68

Finding the Fourth Proportional to 42,562.25, 63,833.10 and 18,856.68

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Solution

The fourth proportional to 42,562.25, 63,833.10 and 18,856.68 is: 28,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,562.25 : 63,833.10 = 18,856.68 : x
  2. Step 2: Convert to fraction form
    42,562.25/63,833.10 = 18,856.68/x
  3. Step 3: Cross multiply
    42,562.25x = 63,833.10 × 18,856.68
  4. Step 4: Simplify right side
    42,562.25x = 1,203,680,340.11
  5. Step 5: Solve for x
    x = 1,203,680,340.11/42,562.25
  6. Step 6: Final answer
    x = 28,280.47

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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.