Home / 66,331.20-99,514.08-21,964.80

Finding the Fourth Proportional to 66,331.20, 99,514.08 and 21,964.80

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Solution

The fourth proportional to 66,331.20, 99,514.08 and 21,964.80 is: 32,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,331.20 : 99,514.08 = 21,964.80 : x
  2. Step 2: Convert to fraction form
    66,331.20/99,514.08 = 21,964.80/x
  3. Step 3: Cross multiply
    66,331.20x = 99,514.08 × 21,964.80
  4. Step 4: Simplify right side
    66,331.20x = 2,185,806,864.38
  5. Step 5: Solve for x
    x = 2,185,806,864.38/66,331.20
  6. Step 6: Final answer
    x = 32,952.92

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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.