Home / 45,502.49-68,253.89-13,912.43

Finding the Fourth Proportional to 45,502.49, 68,253.89 and 13,912.43

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Solution

The fourth proportional to 45,502.49, 68,253.89 and 13,912.43 is: 20,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,502.49 : 68,253.89 = 13,912.43 : x
  2. Step 2: Convert to fraction form
    45,502.49/68,253.89 = 13,912.43/x
  3. Step 3: Cross multiply
    45,502.49x = 68,253.89 × 13,912.43
  4. Step 4: Simplify right side
    45,502.49x = 949,577,710.17
  5. Step 5: Solve for x
    x = 949,577,710.17/45,502.49
  6. Step 6: Final answer
    x = 20,868.70

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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.