Home / 42,542.24-63,822.87-12,962.39

Finding the Fourth Proportional to 42,542.24, 63,822.87 and 12,962.39

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Solution

The fourth proportional to 42,542.24, 63,822.87 and 12,962.39 is: 19,446.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,542.24 : 63,822.87 = 12,962.39 : x
  2. Step 2: Convert to fraction form
    42,542.24/63,822.87 = 12,962.39/x
  3. Step 3: Cross multiply
    42,542.24x = 63,822.87 × 12,962.39
  4. Step 4: Simplify right side
    42,542.24x = 827,296,612.74
  5. Step 5: Solve for x
    x = 827,296,612.74/42,542.24
  6. Step 6: Final answer
    x = 19,446.48

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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.