Home / 47,979.53-66,223.62-32,691.36

Finding the Fourth Proportional to 47,979.53, 66,223.62 and 32,691.36

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Solution

The fourth proportional to 47,979.53, 66,223.62 and 32,691.36 is: 45,122.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,979.53 : 66,223.62 = 32,691.36 : x
  2. Step 2: Convert to fraction form
    47,979.53/66,223.62 = 32,691.36/x
  3. Step 3: Cross multiply
    47,979.53x = 66,223.62 × 32,691.36
  4. Step 4: Simplify right side
    47,979.53x = 2,164,940,201.92
  5. Step 5: Solve for x
    x = 2,164,940,201.92/47,979.53
  6. Step 6: Final answer
    x = 45,122.16

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1.5x scale

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.