Home / 39,234.71-54,144.24-21,329.73

Finding the Fourth Proportional to 39,234.71, 54,144.24 and 21,329.73

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Solution

The fourth proportional to 39,234.71, 54,144.24 and 21,329.73 is: 29,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,234.71 : 54,144.24 = 21,329.73 : x
  2. Step 2: Convert to fraction form
    39,234.71/54,144.24 = 21,329.73/x
  3. Step 3: Cross multiply
    39,234.71x = 54,144.24 × 21,329.73
  4. Step 4: Simplify right side
    39,234.71x = 1,154,882,020.26
  5. Step 5: Solve for x
    x = 1,154,882,020.26/39,234.71
  6. Step 6: Final answer
    x = 29,435.21

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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.