Home / 40,394.24-55,674-38,061.44

Finding the Fourth Proportional to 40,394.24, 55,674 and 38,061.44

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Solution

The fourth proportional to 40,394.24, 55,674 and 38,061.44 is: 52,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,394.24 : 55,674 = 38,061.44 : x
  2. Step 2: Convert to fraction form
    40,394.24/55,674 = 38,061.44/x
  3. Step 3: Cross multiply
    40,394.24x = 55,674 × 38,061.44
  4. Step 4: Simplify right side
    40,394.24x = 2,119,032,610.56
  5. Step 5: Solve for x
    x = 2,119,032,610.56/40,394.24
  6. Step 6: Final answer
    x = 52,458.78

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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.