Home / 39,218.19-54,093.74-25,785.15

Finding the Fourth Proportional to 39,218.19, 54,093.74 and 25,785.15

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Solution

The fourth proportional to 39,218.19, 54,093.74 and 25,785.15 is: 35,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,218.19 : 54,093.74 = 25,785.15 : x
  2. Step 2: Convert to fraction form
    39,218.19/54,093.74 = 25,785.15/x
  3. Step 3: Cross multiply
    39,218.19x = 54,093.74 × 25,785.15
  4. Step 4: Simplify right side
    39,218.19x = 1,394,815,199.96
  5. Step 5: Solve for x
    x = 1,394,815,199.96/39,218.19
  6. Step 6: Final answer
    x = 35,565.52

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Double scale
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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.