Home / 43,279.34-64,891.10-16,986.74

Finding the Fourth Proportional to 43,279.34, 64,891.10 and 16,986.74

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Solution

The fourth proportional to 43,279.34, 64,891.10 and 16,986.74 is: 25,469.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,279.34 : 64,891.10 = 16,986.74 : x
  2. Step 2: Convert to fraction form
    43,279.34/64,891.10 = 16,986.74/x
  3. Step 3: Cross multiply
    43,279.34x = 64,891.10 × 16,986.74
  4. Step 4: Simplify right side
    43,279.34x = 1,102,288,244.01
  5. Step 5: Solve for x
    x = 1,102,288,244.01/43,279.34
  6. Step 6: Final answer
    x = 25,469.16

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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.