Home / 71,209.27-98,265.24-38,945.55

Finding the Fourth Proportional to 71,209.27, 98,265.24 and 38,945.55

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Solution

The fourth proportional to 71,209.27, 98,265.24 and 38,945.55 is: 53,742.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,209.27 : 98,265.24 = 38,945.55 : x
  2. Step 2: Convert to fraction form
    71,209.27/98,265.24 = 38,945.55/x
  3. Step 3: Cross multiply
    71,209.27x = 98,265.24 × 38,945.55
  4. Step 4: Simplify right side
    71,209.27x = 3,826,993,817.68
  5. Step 5: Solve for x
    x = 3,826,993,817.68/71,209.27
  6. Step 6: Final answer
    x = 53,742.92

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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.