Home / 40,063.28-55,237.10-25,697.79

Finding the Fourth Proportional to 40,063.28, 55,237.10 and 25,697.79

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Solution

The fourth proportional to 40,063.28, 55,237.10 and 25,697.79 is: 35,430.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,063.28 : 55,237.10 = 25,697.79 : x
  2. Step 2: Convert to fraction form
    40,063.28/55,237.10 = 25,697.79/x
  3. Step 3: Cross multiply
    40,063.28x = 55,237.10 × 25,697.79
  4. Step 4: Simplify right side
    40,063.28x = 1,419,471,267.52
  5. Step 5: Solve for x
    x = 1,419,471,267.52/40,063.28
  6. Step 6: Final answer
    x = 35,430.73

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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.