Home / 45,499.39-68,245.76-15,511.15

Finding the Fourth Proportional to 45,499.39, 68,245.76 and 15,511.15

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Solution

The fourth proportional to 45,499.39, 68,245.76 and 15,511.15 is: 23,265.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,499.39 : 68,245.76 = 15,511.15 : x
  2. Step 2: Convert to fraction form
    45,499.39/68,245.76 = 15,511.15/x
  3. Step 3: Cross multiply
    45,499.39x = 68,245.76 × 15,511.15
  4. Step 4: Simplify right side
    45,499.39x = 1,058,569,873.18
  5. Step 5: Solve for x
    x = 1,058,569,873.18/45,499.39
  6. Step 6: Final answer
    x = 23,265.59

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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.