Home / 44,780.88-67,069.20-21,423.84

Finding the Fourth Proportional to 44,780.88, 67,069.20 and 21,423.84

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Solution

The fourth proportional to 44,780.88, 67,069.20 and 21,423.84 is: 32,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,780.88 : 67,069.20 = 21,423.84 : x
  2. Step 2: Convert to fraction form
    44,780.88/67,069.20 = 21,423.84/x
  3. Step 3: Cross multiply
    44,780.88x = 67,069.20 × 21,423.84
  4. Step 4: Simplify right side
    44,780.88x = 1,436,879,809.73
  5. Step 5: Solve for x
    x = 1,436,879,809.73/44,780.88
  6. Step 6: Final answer
    x = 32,086.90

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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.