Home / 29,080.79-40,131.85-17,143.41

Finding the Fourth Proportional to 29,080.79, 40,131.85 and 17,143.41

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Solution

The fourth proportional to 29,080.79, 40,131.85 and 17,143.41 is: 23,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,080.79 : 40,131.85 = 17,143.41 : x
  2. Step 2: Convert to fraction form
    29,080.79/40,131.85 = 17,143.41/x
  3. Step 3: Cross multiply
    29,080.79x = 40,131.85 × 17,143.41
  4. Step 4: Simplify right side
    29,080.79x = 687,996,758.61
  5. Step 5: Solve for x
    x = 687,996,758.61/29,080.79
  6. Step 6: Final answer
    x = 23,658.12

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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.