Home / 39,853.44-55,002.72-25,747.20

Finding the Fourth Proportional to 39,853.44, 55,002.72 and 25,747.20

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Solution

The fourth proportional to 39,853.44, 55,002.72 and 25,747.20 is: 35,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,853.44 : 55,002.72 = 25,747.20 : x
  2. Step 2: Convert to fraction form
    39,853.44/55,002.72 = 25,747.20/x
  3. Step 3: Cross multiply
    39,853.44x = 55,002.72 × 25,747.20
  4. Step 4: Simplify right side
    39,853.44x = 1,416,166,032.38
  5. Step 5: Solve for x
    x = 1,416,166,032.38/39,853.44
  6. Step 6: Final answer
    x = 35,534.35

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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.