Home / 41,689.62-62,555.49-20,911.50

Finding the Fourth Proportional to 41,689.62, 62,555.49 and 20,911.50

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Solution

The fourth proportional to 41,689.62, 62,555.49 and 20,911.50 is: 31,377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,689.62 : 62,555.49 = 20,911.50 : x
  2. Step 2: Convert to fraction form
    41,689.62/62,555.49 = 20,911.50/x
  3. Step 3: Cross multiply
    41,689.62x = 62,555.49 × 20,911.50
  4. Step 4: Simplify right side
    41,689.62x = 1,308,129,129.14
  5. Step 5: Solve for x
    x = 1,308,129,129.14/41,689.62
  6. Step 6: Final answer
    x = 31,377.81

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1.5x scale

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.