Home / 40,105.11-55,346.15-23,113.49

Finding the Fourth Proportional to 40,105.11, 55,346.15 and 23,113.49

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Solution

The fourth proportional to 40,105.11, 55,346.15 and 23,113.49 is: 31,897.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,105.11 : 55,346.15 = 23,113.49 : x
  2. Step 2: Convert to fraction form
    40,105.11/55,346.15 = 23,113.49/x
  3. Step 3: Cross multiply
    40,105.11x = 55,346.15 × 23,113.49
  4. Step 4: Simplify right side
    40,105.11x = 1,279,242,684.56
  5. Step 5: Solve for x
    x = 1,279,242,684.56/40,105.11
  6. Step 6: Final answer
    x = 31,897.25

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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.