Home / 40,131.27-55,381.74-23,135.20

Finding the Fourth Proportional to 40,131.27, 55,381.74 and 23,135.20

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Solution

The fourth proportional to 40,131.27, 55,381.74 and 23,135.20 is: 31,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,131.27 : 55,381.74 = 23,135.20 : x
  2. Step 2: Convert to fraction form
    40,131.27/55,381.74 = 23,135.20/x
  3. Step 3: Cross multiply
    40,131.27x = 55,381.74 × 23,135.20
  4. Step 4: Simplify right side
    40,131.27x = 1,281,267,238.66
  5. Step 5: Solve for x
    x = 1,281,267,238.66/40,131.27
  6. Step 6: Final answer
    x = 31,926.90

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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.