Home / 49,630.60-74,420.30-18,449.80

Finding the Fourth Proportional to 49,630.60, 74,420.30 and 18,449.80

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Solution

The fourth proportional to 49,630.60, 74,420.30 and 18,449.80 is: 27,665.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,630.60 : 74,420.30 = 18,449.80 : x
  2. Step 2: Convert to fraction form
    49,630.60/74,420.30 = 18,449.80/x
  3. Step 3: Cross multiply
    49,630.60x = 74,420.30 × 18,449.80
  4. Step 4: Simplify right side
    49,630.60x = 1,373,039,650.94
  5. Step 5: Solve for x
    x = 1,373,039,650.94/49,630.60
  6. Step 6: Final answer
    x = 27,665.18

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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.