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Finding the Fourth Proportional to 52,062.88, 71,847.04 and 29,402.80

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Solution

The fourth proportional to 52,062.88, 71,847.04 and 29,402.80 is: 40,576.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,062.88 : 71,847.04 = 29,402.80 : x
  2. Step 2: Convert to fraction form
    52,062.88/71,847.04 = 29,402.80/x
  3. Step 3: Cross multiply
    52,062.88x = 71,847.04 × 29,402.80
  4. Step 4: Simplify right side
    52,062.88x = 2,112,504,147.71
  5. Step 5: Solve for x
    x = 2,112,504,147.71/52,062.88
  6. Step 6: Final answer
    x = 40,576.01

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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.