Home / 45,489.84-68,244.72-13,902.52

Finding the Fourth Proportional to 45,489.84, 68,244.72 and 13,902.52

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Solution

The fourth proportional to 45,489.84, 68,244.72 and 13,902.52 is: 20,856.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,489.84 : 68,244.72 = 13,902.52 : x
  2. Step 2: Convert to fraction form
    45,489.84/68,244.72 = 13,902.52/x
  3. Step 3: Cross multiply
    45,489.84x = 68,244.72 × 13,902.52
  4. Step 4: Simplify right side
    45,489.84x = 948,773,584.69
  5. Step 5: Solve for x
    x = 948,773,584.69/45,489.84
  6. Step 6: Final answer
    x = 20,856.82

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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.