Home / 49,348.62-68,021.11-38,574.45

Finding the Fourth Proportional to 49,348.62, 68,021.11 and 38,574.45

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Solution

The fourth proportional to 49,348.62, 68,021.11 and 38,574.45 is: 53,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,348.62 : 68,021.11 = 38,574.45 : x
  2. Step 2: Convert to fraction form
    49,348.62/68,021.11 = 38,574.45/x
  3. Step 3: Cross multiply
    49,348.62x = 68,021.11 × 38,574.45
  4. Step 4: Simplify right side
    49,348.62x = 2,623,876,713.77
  5. Step 5: Solve for x
    x = 2,623,876,713.77/49,348.62
  6. Step 6: Final answer
    x = 53,170.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.