Home / 22,950.40-34,421.80-21,456.04

Finding the Fourth Proportional to 22,950.40, 34,421.80 and 21,456.04

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Solution

The fourth proportional to 22,950.40, 34,421.80 and 21,456.04 is: 32,180.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,950.40 : 34,421.80 = 21,456.04 : x
  2. Step 2: Convert to fraction form
    22,950.40/34,421.80 = 21,456.04/x
  3. Step 3: Cross multiply
    22,950.40x = 34,421.80 × 21,456.04
  4. Step 4: Simplify right side
    22,950.40x = 738,555,517.67
  5. Step 5: Solve for x
    x = 738,555,517.67/22,950.40
  6. Step 6: Final answer
    x = 32,180.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.