Home / 40,753.44-61,143.47-19,695.90

Finding the Fourth Proportional to 40,753.44, 61,143.47 and 19,695.90

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Solution

The fourth proportional to 40,753.44, 61,143.47 and 19,695.90 is: 29,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,753.44 : 61,143.47 = 19,695.90 : x
  2. Step 2: Convert to fraction form
    40,753.44/61,143.47 = 19,695.90/x
  3. Step 3: Cross multiply
    40,753.44x = 61,143.47 × 19,695.90
  4. Step 4: Simplify right side
    40,753.44x = 1,204,275,670.77
  5. Step 5: Solve for x
    x = 1,204,275,670.77/40,753.44
  6. Step 6: Final answer
    x = 29,550.28

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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.