Home / 40,552.44-55,882.62-31,003.11

Finding the Fourth Proportional to 40,552.44, 55,882.62 and 31,003.11

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Solution

The fourth proportional to 40,552.44, 55,882.62 and 31,003.11 is: 42,723.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,552.44 : 55,882.62 = 31,003.11 : x
  2. Step 2: Convert to fraction form
    40,552.44/55,882.62 = 31,003.11/x
  3. Step 3: Cross multiply
    40,552.44x = 55,882.62 × 31,003.11
  4. Step 4: Simplify right side
    40,552.44x = 1,732,535,014.95
  5. Step 5: Solve for x
    x = 1,732,535,014.95/40,552.44
  6. Step 6: Final answer
    x = 42,723.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.