Home / 45,687.75-68,541.71-19,414.95

Finding the Fourth Proportional to 45,687.75, 68,541.71 and 19,414.95

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Solution

The fourth proportional to 45,687.75, 68,541.71 and 19,414.95 is: 29,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,687.75 : 68,541.71 = 19,414.95 : x
  2. Step 2: Convert to fraction form
    45,687.75/68,541.71 = 19,414.95/x
  3. Step 3: Cross multiply
    45,687.75x = 68,541.71 × 19,414.95
  4. Step 4: Simplify right side
    45,687.75x = 1,330,733,775.49
  5. Step 5: Solve for x
    x = 1,330,733,775.49/45,687.75
  6. Step 6: Final answer
    x = 29,126.71

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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.