Home / 45,815.04-68,766.30-36,279.72

Finding the Fourth Proportional to 45,815.04, 68,766.30 and 36,279.72

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Solution

The fourth proportional to 45,815.04, 68,766.30 and 36,279.72 is: 54,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,815.04 : 68,766.30 = 36,279.72 : x
  2. Step 2: Convert to fraction form
    45,815.04/68,766.30 = 36,279.72/x
  3. Step 3: Cross multiply
    45,815.04x = 68,766.30 × 36,279.72
  4. Step 4: Simplify right side
    45,815.04x = 2,494,822,109.44
  5. Step 5: Solve for x
    x = 2,494,822,109.44/45,815.04
  6. Step 6: Final answer
    x = 54,454.22

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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.