Home / 47,065.92-64,981.38-29,179.92

Finding the Fourth Proportional to 47,065.92, 64,981.38 and 29,179.92

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Solution

The fourth proportional to 47,065.92, 64,981.38 and 29,179.92 is: 40,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,065.92 : 64,981.38 = 29,179.92 : x
  2. Step 2: Convert to fraction form
    47,065.92/64,981.38 = 29,179.92/x
  3. Step 3: Cross multiply
    47,065.92x = 64,981.38 × 29,179.92
  4. Step 4: Simplify right side
    47,065.92x = 1,896,151,469.89
  5. Step 5: Solve for x
    x = 1,896,151,469.89/47,065.92
  6. Step 6: Final answer
    x = 40,287.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.