Home / 40,983.52-61,424.52-19,906.32

Finding the Fourth Proportional to 40,983.52, 61,424.52 and 19,906.32

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Solution

The fourth proportional to 40,983.52, 61,424.52 and 19,906.32 is: 29,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,983.52 : 61,424.52 = 19,906.32 : x
  2. Step 2: Convert to fraction form
    40,983.52/61,424.52 = 19,906.32/x
  3. Step 3: Cross multiply
    40,983.52x = 61,424.52 × 19,906.32
  4. Step 4: Simplify right side
    40,983.52x = 1,222,736,150.97
  5. Step 5: Solve for x
    x = 1,222,736,150.97/40,983.52
  6. Step 6: Final answer
    x = 29,834.83

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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.