Home / 52,132.08-71,942.40-28,258.56

Finding the Fourth Proportional to 52,132.08, 71,942.40 and 28,258.56

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Solution

The fourth proportional to 52,132.08, 71,942.40 and 28,258.56 is: 38,996.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,132.08 : 71,942.40 = 28,258.56 : x
  2. Step 2: Convert to fraction form
    52,132.08/71,942.40 = 28,258.56/x
  3. Step 3: Cross multiply
    52,132.08x = 71,942.40 × 28,258.56
  4. Step 4: Simplify right side
    52,132.08x = 2,032,988,626.94
  5. Step 5: Solve for x
    x = 2,032,988,626.94/52,132.08
  6. Step 6: Final answer
    x = 38,996.88

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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.