Home / 40,774.34-61,177.07-15,831.89

Finding the Fourth Proportional to 40,774.34, 61,177.07 and 15,831.89

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Solution

The fourth proportional to 40,774.34, 61,177.07 and 15,831.89 is: 23,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,774.34 : 61,177.07 = 15,831.89 : x
  2. Step 2: Convert to fraction form
    40,774.34/61,177.07 = 15,831.89/x
  3. Step 3: Cross multiply
    40,774.34x = 61,177.07 × 15,831.89
  4. Step 4: Simplify right side
    40,774.34x = 968,548,605.87
  5. Step 5: Solve for x
    x = 968,548,605.87/40,774.34
  6. Step 6: Final answer
    x = 23,753.88

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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.