Home / 43,329.24-64,951.56-21,141.72

Finding the Fourth Proportional to 43,329.24, 64,951.56 and 21,141.72

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Solution

The fourth proportional to 43,329.24, 64,951.56 and 21,141.72 is: 31,691.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,329.24 : 64,951.56 = 21,141.72 : x
  2. Step 2: Convert to fraction form
    43,329.24/64,951.56 = 21,141.72/x
  3. Step 3: Cross multiply
    43,329.24x = 64,951.56 × 21,141.72
  4. Step 4: Simplify right side
    43,329.24x = 1,373,187,695.08
  5. Step 5: Solve for x
    x = 1,373,187,695.08/43,329.24
  6. Step 6: Final answer
    x = 31,691.94

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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.