Home / 40,756.11-61,134.38-18,553.95

Finding the Fourth Proportional to 40,756.11, 61,134.38 and 18,553.95

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Solution

The fourth proportional to 40,756.11, 61,134.38 and 18,553.95 is: 27,831.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,756.11 : 61,134.38 = 18,553.95 : x
  2. Step 2: Convert to fraction form
    40,756.11/61,134.38 = 18,553.95/x
  3. Step 3: Cross multiply
    40,756.11x = 61,134.38 × 18,553.95
  4. Step 4: Simplify right side
    40,756.11x = 1,134,284,137.03
  5. Step 5: Solve for x
    x = 1,134,284,137.03/40,756.11
  6. Step 6: Final answer
    x = 27,831.02

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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.