Home / 45,008.40-67,422.88-27,229.60

Finding the Fourth Proportional to 45,008.40, 67,422.88 and 27,229.60

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Solution

The fourth proportional to 45,008.40, 67,422.88 and 27,229.60 is: 40,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,008.40 : 67,422.88 = 27,229.60 : x
  2. Step 2: Convert to fraction form
    45,008.40/67,422.88 = 27,229.60/x
  3. Step 3: Cross multiply
    45,008.40x = 67,422.88 × 27,229.60
  4. Step 4: Simplify right side
    45,008.40x = 1,835,898,053.25
  5. Step 5: Solve for x
    x = 1,835,898,053.25/45,008.40
  6. Step 6: Final answer
    x = 40,790.12

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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.