Home / 42,346.14-63,543.82-18,972.58

Finding the Fourth Proportional to 42,346.14, 63,543.82 and 18,972.58

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Solution

The fourth proportional to 42,346.14, 63,543.82 and 18,972.58 is: 28,469.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,346.14 : 63,543.82 = 18,972.58 : x
  2. Step 2: Convert to fraction form
    42,346.14/63,543.82 = 18,972.58/x
  3. Step 3: Cross multiply
    42,346.14x = 63,543.82 × 18,972.58
  4. Step 4: Simplify right side
    42,346.14x = 1,205,590,103.52
  5. Step 5: Solve for x
    x = 1,205,590,103.52/42,346.14
  6. Step 6: Final answer
    x = 28,469.89

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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.