Home / 39,177.09-54,065.91-22,182.06

Finding the Fourth Proportional to 39,177.09, 54,065.91 and 22,182.06

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Solution

The fourth proportional to 39,177.09, 54,065.91 and 22,182.06 is: 30,612.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,177.09 : 54,065.91 = 22,182.06 : x
  2. Step 2: Convert to fraction form
    39,177.09/54,065.91 = 22,182.06/x
  3. Step 3: Cross multiply
    39,177.09x = 54,065.91 × 22,182.06
  4. Step 4: Simplify right side
    39,177.09x = 1,199,293,259.57
  5. Step 5: Solve for x
    x = 1,199,293,259.57/39,177.09
  6. Step 6: Final answer
    x = 30,612.11

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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.