Home / 20,882.69-31,324.17-5,300.36

Finding the Fourth Proportional to 20,882.69, 31,324.17 and 5,300.36

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Solution

The fourth proportional to 20,882.69, 31,324.17 and 5,300.36 is: 7,950.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,882.69 : 31,324.17 = 5,300.36 : x
  2. Step 2: Convert to fraction form
    20,882.69/31,324.17 = 5,300.36/x
  3. Step 3: Cross multiply
    20,882.69x = 31,324.17 × 5,300.36
  4. Step 4: Simplify right side
    20,882.69x = 166,029,377.70
  5. Step 5: Solve for x
    x = 166,029,377.70/20,882.69
  6. Step 6: Final answer
    x = 7,950.57

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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.