Home / 49,981.28-74,934.89-30,255.17

Finding the Fourth Proportional to 49,981.28, 74,934.89 and 30,255.17

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Solution

The fourth proportional to 49,981.28, 74,934.89 and 30,255.17 is: 45,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,981.28 : 74,934.89 = 30,255.17 : x
  2. Step 2: Convert to fraction form
    49,981.28/74,934.89 = 30,255.17/x
  3. Step 3: Cross multiply
    49,981.28x = 74,934.89 × 30,255.17
  4. Step 4: Simplify right side
    49,981.28x = 2,267,167,684.61
  5. Step 5: Solve for x
    x = 2,267,167,684.61/49,981.28
  6. Step 6: Final answer
    x = 45,360.34

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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.