Home / 49,446.80-74,170.20-14,387.60

Finding the Fourth Proportional to 49,446.80, 74,170.20 and 14,387.60

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Solution

The fourth proportional to 49,446.80, 74,170.20 and 14,387.60 is: 21,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,446.80 : 74,170.20 = 14,387.60 : x
  2. Step 2: Convert to fraction form
    49,446.80/74,170.20 = 14,387.60/x
  3. Step 3: Cross multiply
    49,446.80x = 74,170.20 × 14,387.60
  4. Step 4: Simplify right side
    49,446.80x = 1,067,131,169.52
  5. Step 5: Solve for x
    x = 1,067,131,169.52/49,446.80
  6. Step 6: Final answer
    x = 21,581.40

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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.