Home / 40,113.52-55,349.28-23,115.38

Finding the Fourth Proportional to 40,113.52, 55,349.28 and 23,115.38

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Solution

The fourth proportional to 40,113.52, 55,349.28 and 23,115.38 is: 31,894.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,113.52 : 55,349.28 = 23,115.38 : x
  2. Step 2: Convert to fraction form
    40,113.52/55,349.28 = 23,115.38/x
  3. Step 3: Cross multiply
    40,113.52x = 55,349.28 × 23,115.38
  4. Step 4: Simplify right side
    40,113.52x = 1,279,419,363.18
  5. Step 5: Solve for x
    x = 1,279,419,363.18/40,113.52
  6. Step 6: Final answer
    x = 31,894.97

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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.