Home / 39,382.32-54,350.82-22,391.89

Finding the Fourth Proportional to 39,382.32, 54,350.82 and 22,391.89

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Solution

The fourth proportional to 39,382.32, 54,350.82 and 22,391.89 is: 30,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,382.32 : 54,350.82 = 22,391.89 : x
  2. Step 2: Convert to fraction form
    39,382.32/54,350.82 = 22,391.89/x
  3. Step 3: Cross multiply
    39,382.32x = 54,350.82 × 22,391.89
  4. Step 4: Simplify right side
    39,382.32x = 1,217,017,638.83
  5. Step 5: Solve for x
    x = 1,217,017,638.83/39,382.32
  6. Step 6: Final answer
    x = 30,902.64

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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.