Home / 40,169.20-60,016.16-38,791.12

Finding the Fourth Proportional to 40,169.20, 60,016.16 and 38,791.12

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Solution

The fourth proportional to 40,169.20, 60,016.16 and 38,791.12 is: 57,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,169.20 : 60,016.16 = 38,791.12 : x
  2. Step 2: Convert to fraction form
    40,169.20/60,016.16 = 38,791.12/x
  3. Step 3: Cross multiply
    40,169.20x = 60,016.16 × 38,791.12
  4. Step 4: Simplify right side
    40,169.20x = 2,328,094,064.50
  5. Step 5: Solve for x
    x = 2,328,094,064.50/40,169.20
  6. Step 6: Final answer
    x = 57,957.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.