Home / 49,736.20-74,604.30-18,569.80

Finding the Fourth Proportional to 49,736.20, 74,604.30 and 18,569.80

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Solution

The fourth proportional to 49,736.20, 74,604.30 and 18,569.80 is: 27,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,736.20 : 74,604.30 = 18,569.80 : x
  2. Step 2: Convert to fraction form
    49,736.20/74,604.30 = 18,569.80/x
  3. Step 3: Cross multiply
    49,736.20x = 74,604.30 × 18,569.80
  4. Step 4: Simplify right side
    49,736.20x = 1,385,386,930.14
  5. Step 5: Solve for x
    x = 1,385,386,930.14/49,736.20
  6. Step 6: Final answer
    x = 27,854.70

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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.