Home / 45,685.05-68,525.11-14,517.87

Finding the Fourth Proportional to 45,685.05, 68,525.11 and 14,517.87

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Solution

The fourth proportional to 45,685.05, 68,525.11 and 14,517.87 is: 21,776.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,685.05 : 68,525.11 = 14,517.87 : x
  2. Step 2: Convert to fraction form
    45,685.05/68,525.11 = 14,517.87/x
  3. Step 3: Cross multiply
    45,685.05x = 68,525.11 × 14,517.87
  4. Step 4: Simplify right side
    45,685.05x = 994,838,638.72
  5. Step 5: Solve for x
    x = 994,838,638.72/45,685.05
  6. Step 6: Final answer
    x = 21,776.02

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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.