Home / 34,414.64-47,480.96-20,071.20

Finding the Fourth Proportional to 34,414.64, 47,480.96 and 20,071.20

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Solution

The fourth proportional to 34,414.64, 47,480.96 and 20,071.20 is: 27,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,414.64 : 47,480.96 = 20,071.20 : x
  2. Step 2: Convert to fraction form
    34,414.64/47,480.96 = 20,071.20/x
  3. Step 3: Cross multiply
    34,414.64x = 47,480.96 × 20,071.20
  4. Step 4: Simplify right side
    34,414.64x = 952,999,844.35
  5. Step 5: Solve for x
    x = 952,999,844.35/34,414.64
  6. Step 6: Final answer
    x = 27,691.70

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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.