Home / 29,131.60-43,697.40-18,031.36

Finding the Fourth Proportional to 29,131.60, 43,697.40 and 18,031.36

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Solution

The fourth proportional to 29,131.60, 43,697.40 and 18,031.36 is: 27,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,131.60 : 43,697.40 = 18,031.36 : x
  2. Step 2: Convert to fraction form
    29,131.60/43,697.40 = 18,031.36/x
  3. Step 3: Cross multiply
    29,131.60x = 43,697.40 × 18,031.36
  4. Step 4: Simplify right side
    29,131.60x = 787,923,550.46
  5. Step 5: Solve for x
    x = 787,923,550.46/29,131.60
  6. Step 6: Final answer
    x = 27,047.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.