Home / 45,229.28-67,839.60-27,690.08

Finding the Fourth Proportional to 45,229.28, 67,839.60 and 27,690.08

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Solution

The fourth proportional to 45,229.28, 67,839.60 and 27,690.08 is: 41,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,229.28 : 67,839.60 = 27,690.08 : x
  2. Step 2: Convert to fraction form
    45,229.28/67,839.60 = 27,690.08/x
  3. Step 3: Cross multiply
    45,229.28x = 67,839.60 × 27,690.08
  4. Step 4: Simplify right side
    45,229.28x = 1,878,483,951.17
  5. Step 5: Solve for x
    x = 1,878,483,951.17/45,229.28
  6. Step 6: Final answer
    x = 41,532.48

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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.