Home / 39,375.72-54,339.39-22,377.29

Finding the Fourth Proportional to 39,375.72, 54,339.39 and 22,377.29

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Solution

The fourth proportional to 39,375.72, 54,339.39 and 22,377.29 is: 30,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,375.72 : 54,339.39 = 22,377.29 : x
  2. Step 2: Convert to fraction form
    39,375.72/54,339.39 = 22,377.29/x
  3. Step 3: Cross multiply
    39,375.72x = 54,339.39 × 22,377.29
  4. Step 4: Simplify right side
    39,375.72x = 1,215,968,016.76
  5. Step 5: Solve for x
    x = 1,215,968,016.76/39,375.72
  6. Step 6: Final answer
    x = 30,881.16

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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.