Home / 42,663.20-63,940.80-16,332.80

Finding the Fourth Proportional to 42,663.20, 63,940.80 and 16,332.80

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Solution

The fourth proportional to 42,663.20, 63,940.80 and 16,332.80 is: 24,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,663.20 : 63,940.80 = 16,332.80 : x
  2. Step 2: Convert to fraction form
    42,663.20/63,940.80 = 16,332.80/x
  3. Step 3: Cross multiply
    42,663.20x = 63,940.80 × 16,332.80
  4. Step 4: Simplify right side
    42,663.20x = 1,044,332,298.24
  5. Step 5: Solve for x
    x = 1,044,332,298.24/42,663.20
  6. Step 6: Final answer
    x = 24,478.53

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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.