Home / 43,239.52-64,876.24-16,939.76

Finding the Fourth Proportional to 43,239.52, 64,876.24 and 16,939.76

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Solution

The fourth proportional to 43,239.52, 64,876.24 and 16,939.76 is: 25,416.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,239.52 : 64,876.24 = 16,939.76 : x
  2. Step 2: Convert to fraction form
    43,239.52/64,876.24 = 16,939.76/x
  3. Step 3: Cross multiply
    43,239.52x = 64,876.24 × 16,939.76
  4. Step 4: Simplify right side
    43,239.52x = 1,098,987,935.30
  5. Step 5: Solve for x
    x = 1,098,987,935.30/43,239.52
  6. Step 6: Final answer
    x = 25,416.28

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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.