Home / 47,934.72-66,167.28-29,071.44

Finding the Fourth Proportional to 47,934.72, 66,167.28 and 29,071.44

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Solution

The fourth proportional to 47,934.72, 66,167.28 and 29,071.44 is: 40,129.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,934.72 : 66,167.28 = 29,071.44 : x
  2. Step 2: Convert to fraction form
    47,934.72/66,167.28 = 29,071.44/x
  3. Step 3: Cross multiply
    47,934.72x = 66,167.28 × 29,071.44
  4. Step 4: Simplify right side
    47,934.72x = 1,923,578,110.48
  5. Step 5: Solve for x
    x = 1,923,578,110.48/47,934.72
  6. Step 6: Final answer
    x = 40,129.12

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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.