Home / 40,894.40-61,399.20-25,342.40

Finding the Fourth Proportional to 40,894.40, 61,399.20 and 25,342.40

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Solution

The fourth proportional to 40,894.40, 61,399.20 and 25,342.40 is: 38,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,894.40 : 61,399.20 = 25,342.40 : x
  2. Step 2: Convert to fraction form
    40,894.40/61,399.20 = 25,342.40/x
  3. Step 3: Cross multiply
    40,894.40x = 61,399.20 × 25,342.40
  4. Step 4: Simplify right side
    40,894.40x = 1,556,003,086.08
  5. Step 5: Solve for x
    x = 1,556,003,086.08/40,894.40
  6. Step 6: Final answer
    x = 38,049.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.