Home / 45,111.76-67,672.19-15,525.70

Finding the Fourth Proportional to 45,111.76, 67,672.19 and 15,525.70

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Solution

The fourth proportional to 45,111.76, 67,672.19 and 15,525.70 is: 23,290.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,111.76 : 67,672.19 = 15,525.70 : x
  2. Step 2: Convert to fraction form
    45,111.76/67,672.19 = 15,525.70/x
  3. Step 3: Cross multiply
    45,111.76x = 67,672.19 × 15,525.70
  4. Step 4: Simplify right side
    45,111.76x = 1,050,658,120.28
  5. Step 5: Solve for x
    x = 1,050,658,120.28/45,111.76
  6. Step 6: Final answer
    x = 23,290.12

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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.