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Finding the Fourth Proportional to 63,013.92, 86,959.36 and 34,333.44

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Solution

The fourth proportional to 63,013.92, 86,959.36 and 34,333.44 is: 47,380.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,013.92 : 86,959.36 = 34,333.44 : x
  2. Step 2: Convert to fraction form
    63,013.92/86,959.36 = 34,333.44/x
  3. Step 3: Cross multiply
    63,013.92x = 86,959.36 × 34,333.44
  4. Step 4: Simplify right side
    63,013.92x = 2,985,613,969.00
  5. Step 5: Solve for x
    x = 2,985,613,969.00/63,013.92
  6. Step 6: Final answer
    x = 47,380.23

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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.