Home / 49,446.50-74,174.11-13,908.11

Finding the Fourth Proportional to 49,446.50, 74,174.11 and 13,908.11

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Solution

The fourth proportional to 49,446.50, 74,174.11 and 13,908.11 is: 20,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,446.50 : 74,174.11 = 13,908.11 : x
  2. Step 2: Convert to fraction form
    49,446.50/74,174.11 = 13,908.11/x
  3. Step 3: Cross multiply
    49,446.50x = 74,174.11 × 13,908.11
  4. Step 4: Simplify right side
    49,446.50x = 1,031,621,275.39
  5. Step 5: Solve for x
    x = 1,031,621,275.39/49,446.50
  6. Step 6: Final answer
    x = 20,863.39

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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.