Home / 42,200.66-63,318.45-18,495.96

Finding the Fourth Proportional to 42,200.66, 63,318.45 and 18,495.96

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Solution

The fourth proportional to 42,200.66, 63,318.45 and 18,495.96 is: 27,751.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,200.66 : 63,318.45 = 18,495.96 : x
  2. Step 2: Convert to fraction form
    42,200.66/63,318.45 = 18,495.96/x
  3. Step 3: Cross multiply
    42,200.66x = 63,318.45 × 18,495.96
  4. Step 4: Simplify right side
    42,200.66x = 1,171,135,350.38
  5. Step 5: Solve for x
    x = 1,171,135,350.38/42,200.66
  6. Step 6: Final answer
    x = 27,751.59

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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.