Home / 45,219.18-67,819.54-17,129.55

Finding the Fourth Proportional to 45,219.18, 67,819.54 and 17,129.55

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Solution

The fourth proportional to 45,219.18, 67,819.54 and 17,129.55 is: 25,690.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,219.18 : 67,819.54 = 17,129.55 : x
  2. Step 2: Convert to fraction form
    45,219.18/67,819.54 = 17,129.55/x
  3. Step 3: Cross multiply
    45,219.18x = 67,819.54 × 17,129.55
  4. Step 4: Simplify right side
    45,219.18x = 1,161,718,201.41
  5. Step 5: Solve for x
    x = 1,161,718,201.41/45,219.18
  6. Step 6: Final answer
    x = 25,690.83

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1.5x scale

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.