Home / 43,320.30-64,983.90-16,679.21

Finding the Fourth Proportional to 43,320.30, 64,983.90 and 16,679.21

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Solution

The fourth proportional to 43,320.30, 64,983.90 and 16,679.21 is: 25,020.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,320.30 : 64,983.90 = 16,679.21 : x
  2. Step 2: Convert to fraction form
    43,320.30/64,983.90 = 16,679.21/x
  3. Step 3: Cross multiply
    43,320.30x = 64,983.90 × 16,679.21
  4. Step 4: Simplify right side
    43,320.30x = 1,083,879,789.80
  5. Step 5: Solve for x
    x = 1,083,879,789.80/43,320.30
  6. Step 6: Final answer
    x = 25,020.14

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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.