Home / 45,179.13-67,766.88-21,498.18

Finding the Fourth Proportional to 45,179.13, 67,766.88 and 21,498.18

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Solution

The fourth proportional to 45,179.13, 67,766.88 and 21,498.18 is: 32,246.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,179.13 : 67,766.88 = 21,498.18 : x
  2. Step 2: Convert to fraction form
    45,179.13/67,766.88 = 21,498.18/x
  3. Step 3: Cross multiply
    45,179.13x = 67,766.88 × 21,498.18
  4. Step 4: Simplify right side
    45,179.13x = 1,456,864,584.28
  5. Step 5: Solve for x
    x = 1,456,864,584.28/45,179.13
  6. Step 6: Final answer
    x = 32,246.41

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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.