Home / 40,292-55,585.72-25,174.36

Finding the Fourth Proportional to 40,292, 55,585.72 and 25,174.36

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Solution

The fourth proportional to 40,292, 55,585.72 and 25,174.36 is: 34,729.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,292 : 55,585.72 = 25,174.36 : x
  2. Step 2: Convert to fraction form
    40,292/55,585.72 = 25,174.36/x
  3. Step 3: Cross multiply
    40,292x = 55,585.72 × 25,174.36
  4. Step 4: Simplify right side
    40,292x = 1,399,334,926.14
  5. Step 5: Solve for x
    x = 1,399,334,926.14/40,292
  6. Step 6: Final answer
    x = 34,729.85

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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.