Home / 49,001.20-67,620.36-27,781.36

Finding the Fourth Proportional to 49,001.20, 67,620.36 and 27,781.36

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Solution

The fourth proportional to 49,001.20, 67,620.36 and 27,781.36 is: 38,337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,001.20 : 67,620.36 = 27,781.36 : x
  2. Step 2: Convert to fraction form
    49,001.20/67,620.36 = 27,781.36/x
  3. Step 3: Cross multiply
    49,001.20x = 67,620.36 × 27,781.36
  4. Step 4: Simplify right side
    49,001.20x = 1,878,585,564.49
  5. Step 5: Solve for x
    x = 1,878,585,564.49/49,001.20
  6. Step 6: Final answer
    x = 38,337.54

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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.