Home / 42,320.52-63,481.68-14,241.42

Finding the Fourth Proportional to 42,320.52, 63,481.68 and 14,241.42

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Solution

The fourth proportional to 42,320.52, 63,481.68 and 14,241.42 is: 21,362.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,320.52 : 63,481.68 = 14,241.42 : x
  2. Step 2: Convert to fraction form
    42,320.52/63,481.68 = 14,241.42/x
  3. Step 3: Cross multiply
    42,320.52x = 63,481.68 × 14,241.42
  4. Step 4: Simplify right side
    42,320.52x = 904,069,267.19
  5. Step 5: Solve for x
    x = 904,069,267.19/42,320.52
  6. Step 6: Final answer
    x = 21,362.43

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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.