Home / 52,013.30-71,778.36-28,139.96

Finding the Fourth Proportional to 52,013.30, 71,778.36 and 28,139.96

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Solution

The fourth proportional to 52,013.30, 71,778.36 and 28,139.96 is: 38,833.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,013.30 : 71,778.36 = 28,139.96 : x
  2. Step 2: Convert to fraction form
    52,013.30/71,778.36 = 28,139.96/x
  3. Step 3: Cross multiply
    52,013.30x = 71,778.36 × 28,139.96
  4. Step 4: Simplify right side
    52,013.30x = 2,019,840,179.27
  5. Step 5: Solve for x
    x = 2,019,840,179.27/52,013.30
  6. Step 6: Final answer
    x = 38,833.15

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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.