Home / 40,686.04-61,131.30-25,901.56

Finding the Fourth Proportional to 40,686.04, 61,131.30 and 25,901.56

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Solution

The fourth proportional to 40,686.04, 61,131.30 and 25,901.56 is: 38,917.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,686.04 : 61,131.30 = 25,901.56 : x
  2. Step 2: Convert to fraction form
    40,686.04/61,131.30 = 25,901.56/x
  3. Step 3: Cross multiply
    40,686.04x = 61,131.30 × 25,901.56
  4. Step 4: Simplify right side
    40,686.04x = 1,583,396,034.83
  5. Step 5: Solve for x
    x = 1,583,396,034.83/40,686.04
  6. Step 6: Final answer
    x = 38,917.43

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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.