Home / 39,408.04-54,382.62-22,641.04

Finding the Fourth Proportional to 39,408.04, 54,382.62 and 22,641.04

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Solution

The fourth proportional to 39,408.04, 54,382.62 and 22,641.04 is: 31,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,408.04 : 54,382.62 = 22,641.04 : x
  2. Step 2: Convert to fraction form
    39,408.04/54,382.62 = 22,641.04/x
  3. Step 3: Cross multiply
    39,408.04x = 54,382.62 × 22,641.04
  4. Step 4: Simplify right side
    39,408.04x = 1,231,279,074.72
  5. Step 5: Solve for x
    x = 1,231,279,074.72/39,408.04
  6. Step 6: Final answer
    x = 31,244.36

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Double scale
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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.