Home / 34,500.28-51,619.20-21,319.96

Finding the Fourth Proportional to 34,500.28, 51,619.20 and 21,319.96

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Solution

The fourth proportional to 34,500.28, 51,619.20 and 21,319.96 is: 31,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,500.28 : 51,619.20 = 21,319.96 : x
  2. Step 2: Convert to fraction form
    34,500.28/51,619.20 = 21,319.96/x
  3. Step 3: Cross multiply
    34,500.28x = 51,619.20 × 21,319.96
  4. Step 4: Simplify right side
    34,500.28x = 1,100,519,279.23
  5. Step 5: Solve for x
    x = 1,100,519,279.23/34,500.28
  6. Step 6: Final answer
    x = 31,898.85

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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.