Home / 40,131.18-55,380.92-23,135.35

Finding the Fourth Proportional to 40,131.18, 55,380.92 and 23,135.35

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Solution

The fourth proportional to 40,131.18, 55,380.92 and 23,135.35 is: 31,926.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,131.18 : 55,380.92 = 23,135.35 : x
  2. Step 2: Convert to fraction form
    40,131.18/55,380.92 = 23,135.35/x
  3. Step 3: Cross multiply
    40,131.18x = 55,380.92 × 23,135.35
  4. Step 4: Simplify right side
    40,131.18x = 1,281,256,661.47
  5. Step 5: Solve for x
    x = 1,281,256,661.47/40,131.18
  6. Step 6: Final answer
    x = 31,926.71

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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.