Home / 39,221.20-54,097.88-25,788.16

Finding the Fourth Proportional to 39,221.20, 54,097.88 and 25,788.16

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Solution

The fourth proportional to 39,221.20, 54,097.88 and 25,788.16 is: 35,569.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,221.20 : 54,097.88 = 25,788.16 : x
  2. Step 2: Convert to fraction form
    39,221.20/54,097.88 = 25,788.16/x
  3. Step 3: Cross multiply
    39,221.20x = 54,097.88 × 25,788.16
  4. Step 4: Simplify right side
    39,221.20x = 1,395,084,785.10
  5. Step 5: Solve for x
    x = 1,395,084,785.10/39,221.20
  6. Step 6: Final answer
    x = 35,569.66

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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.