Home / 29,311.20-43,981.38-13,730.04

Finding the Fourth Proportional to 29,311.20, 43,981.38 and 13,730.04

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Solution

The fourth proportional to 29,311.20, 43,981.38 and 13,730.04 is: 20,601.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.20 : 43,981.38 = 13,730.04 : x
  2. Step 2: Convert to fraction form
    29,311.20/43,981.38 = 13,730.04/x
  3. Step 3: Cross multiply
    29,311.20x = 43,981.38 × 13,730.04
  4. Step 4: Simplify right side
    29,311.20x = 603,866,106.66
  5. Step 5: Solve for x
    x = 603,866,106.66/29,311.20
  6. Step 6: Final answer
    x = 20,601.89

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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.