Home / 40,892.52-61,295.04-21,151.20

Finding the Fourth Proportional to 40,892.52, 61,295.04 and 21,151.20

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Solution

The fourth proportional to 40,892.52, 61,295.04 and 21,151.20 is: 31,704.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,892.52 : 61,295.04 = 21,151.20 : x
  2. Step 2: Convert to fraction form
    40,892.52/61,295.04 = 21,151.20/x
  3. Step 3: Cross multiply
    40,892.52x = 61,295.04 × 21,151.20
  4. Step 4: Simplify right side
    40,892.52x = 1,296,463,650.05
  5. Step 5: Solve for x
    x = 1,296,463,650.05/40,892.52
  6. Step 6: Final answer
    x = 31,704.18

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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.