Home / 39,663.36-54,691.20-25,496.64

Finding the Fourth Proportional to 39,663.36, 54,691.20 and 25,496.64

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Solution

The fourth proportional to 39,663.36, 54,691.20 and 25,496.64 is: 35,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,663.36 : 54,691.20 = 25,496.64 : x
  2. Step 2: Convert to fraction form
    39,663.36/54,691.20 = 25,496.64/x
  3. Step 3: Cross multiply
    39,663.36x = 54,691.20 × 25,496.64
  4. Step 4: Simplify right side
    39,663.36x = 1,394,441,837.57
  5. Step 5: Solve for x
    x = 1,394,441,837.57/39,663.36
  6. Step 6: Final answer
    x = 35,156.93

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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.