Home / 39,456.80-54,436.22-23,320.71

Finding the Fourth Proportional to 39,456.80, 54,436.22 and 23,320.71

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Solution

The fourth proportional to 39,456.80, 54,436.22 and 23,320.71 is: 32,174.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,456.80 : 54,436.22 = 23,320.71 : x
  2. Step 2: Convert to fraction form
    39,456.80/54,436.22 = 23,320.71/x
  3. Step 3: Cross multiply
    39,456.80x = 54,436.22 × 23,320.71
  4. Step 4: Simplify right side
    39,456.80x = 1,269,491,183.51
  5. Step 5: Solve for x
    x = 1,269,491,183.51/39,456.80
  6. Step 6: Final answer
    x = 32,174.21

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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.