Home / 39,182.12-54,071.96-22,185.91

Finding the Fourth Proportional to 39,182.12, 54,071.96 and 22,185.91

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Solution

The fourth proportional to 39,182.12, 54,071.96 and 22,185.91 is: 30,616.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,182.12 : 54,071.96 = 22,185.91 : x
  2. Step 2: Convert to fraction form
    39,182.12/54,071.96 = 22,185.91/x
  3. Step 3: Cross multiply
    39,182.12x = 54,071.96 × 22,185.91
  4. Step 4: Simplify right side
    39,182.12x = 1,199,635,781.94
  5. Step 5: Solve for x
    x = 1,199,635,781.94/39,182.12
  6. Step 6: Final answer
    x = 30,616.92

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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.