Home / 49,630.20-74,445.30-20,032.80

Finding the Fourth Proportional to 49,630.20, 74,445.30 and 20,032.80

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Solution

The fourth proportional to 49,630.20, 74,445.30 and 20,032.80 is: 30,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,630.20 : 74,445.30 = 20,032.80 : x
  2. Step 2: Convert to fraction form
    49,630.20/74,445.30 = 20,032.80/x
  3. Step 3: Cross multiply
    49,630.20x = 74,445.30 × 20,032.80
  4. Step 4: Simplify right side
    49,630.20x = 1,491,347,805.84
  5. Step 5: Solve for x
    x = 1,491,347,805.84/49,630.20
  6. Step 6: Final answer
    x = 30,049.20

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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.