Home / 41,686.62-62,475.69-31,789.50

Finding the Fourth Proportional to 41,686.62, 62,475.69 and 31,789.50

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Solution

The fourth proportional to 41,686.62, 62,475.69 and 31,789.50 is: 47,642.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,686.62 : 62,475.69 = 31,789.50 : x
  2. Step 2: Convert to fraction form
    41,686.62/62,475.69 = 31,789.50/x
  3. Step 3: Cross multiply
    41,686.62x = 62,475.69 × 31,789.50
  4. Step 4: Simplify right side
    41,686.62x = 1,986,070,947.26
  5. Step 5: Solve for x
    x = 1,986,070,947.26/41,686.62
  6. Step 6: Final answer
    x = 47,642.89

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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.