Home / 52,001.20-71,747.40-33,122.80

Finding the Fourth Proportional to 52,001.20, 71,747.40 and 33,122.80

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Solution

The fourth proportional to 52,001.20, 71,747.40 and 33,122.80 is: 45,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,001.20 : 71,747.40 = 33,122.80 : x
  2. Step 2: Convert to fraction form
    52,001.20/71,747.40 = 33,122.80/x
  3. Step 3: Cross multiply
    52,001.20x = 71,747.40 × 33,122.80
  4. Step 4: Simplify right side
    52,001.20x = 2,376,474,780.72
  5. Step 5: Solve for x
    x = 2,376,474,780.72/52,001.20
  6. Step 6: Final answer
    x = 45,700.38

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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.