Home / 39,182.38-54,071.25-22,186.15

Finding the Fourth Proportional to 39,182.38, 54,071.25 and 22,186.15

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Solution

The fourth proportional to 39,182.38, 54,071.25 and 22,186.15 is: 30,616.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,182.38 : 54,071.25 = 22,186.15 : x
  2. Step 2: Convert to fraction form
    39,182.38/54,071.25 = 22,186.15/x
  3. Step 3: Cross multiply
    39,182.38x = 54,071.25 × 22,186.15
  4. Step 4: Simplify right side
    39,182.38x = 1,199,632,863.19
  5. Step 5: Solve for x
    x = 1,199,632,863.19/39,182.38
  6. Step 6: Final answer
    x = 30,616.64

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1.5x scale

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.