Home / 39,882.89-54,987.27-32,686.31

Finding the Fourth Proportional to 39,882.89, 54,987.27 and 32,686.31

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Solution

The fourth proportional to 39,882.89, 54,987.27 and 32,686.31 is: 45,065.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,882.89 : 54,987.27 = 32,686.31 : x
  2. Step 2: Convert to fraction form
    39,882.89/54,987.27 = 32,686.31/x
  3. Step 3: Cross multiply
    39,882.89x = 54,987.27 × 32,686.31
  4. Step 4: Simplify right side
    39,882.89x = 1,797,330,953.27
  5. Step 5: Solve for x
    x = 1,797,330,953.27/39,882.89
  6. Step 6: Final answer
    x = 45,065.21

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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.