Home / 45,250.33-67,885.25-13,657.75

Finding the Fourth Proportional to 45,250.33, 67,885.25 and 13,657.75

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Solution

The fourth proportional to 45,250.33, 67,885.25 and 13,657.75 is: 20,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,250.33 : 67,885.25 = 13,657.75 : x
  2. Step 2: Convert to fraction form
    45,250.33/67,885.25 = 13,657.75/x
  3. Step 3: Cross multiply
    45,250.33x = 67,885.25 × 13,657.75
  4. Step 4: Simplify right side
    45,250.33x = 927,159,773.19
  5. Step 5: Solve for x
    x = 927,159,773.19/45,250.33
  6. Step 6: Final answer
    x = 20,489.57

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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.