Home / 52,861.77-79,332.08-21,272.12

Finding the Fourth Proportional to 52,861.77, 79,332.08 and 21,272.12

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Solution

The fourth proportional to 52,861.77, 79,332.08 and 21,272.12 is: 31,924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,861.77 : 79,332.08 = 21,272.12 : x
  2. Step 2: Convert to fraction form
    52,861.77/79,332.08 = 21,272.12/x
  3. Step 3: Cross multiply
    52,861.77x = 79,332.08 × 21,272.12
  4. Step 4: Simplify right side
    52,861.77x = 1,687,561,182.13
  5. Step 5: Solve for x
    x = 1,687,561,182.13/52,861.77
  6. Step 6: Final answer
    x = 31,924.04

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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.