Home / 40,917.52-61,244.28-21,168.88

Finding the Fourth Proportional to 40,917.52, 61,244.28 and 21,168.88

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Solution

The fourth proportional to 40,917.52, 61,244.28 and 21,168.88 is: 31,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,917.52 : 61,244.28 = 21,168.88 : x
  2. Step 2: Convert to fraction form
    40,917.52/61,244.28 = 21,168.88/x
  3. Step 3: Cross multiply
    40,917.52x = 61,244.28 × 21,168.88
  4. Step 4: Simplify right side
    40,917.52x = 1,296,472,814.01
  5. Step 5: Solve for x
    x = 1,296,472,814.01/40,917.52
  6. Step 6: Final answer
    x = 31,685.03

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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.