Home / 20,371.61-30,553.36-5,576.69

Finding the Fourth Proportional to 20,371.61, 30,553.36 and 5,576.69

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Solution

The fourth proportional to 20,371.61, 30,553.36 and 5,576.69 is: 8,363.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,371.61 : 30,553.36 = 5,576.69 : x
  2. Step 2: Convert to fraction form
    20,371.61/30,553.36 = 5,576.69/x
  3. Step 3: Cross multiply
    20,371.61x = 30,553.36 × 5,576.69
  4. Step 4: Simplify right side
    20,371.61x = 170,386,617.18
  5. Step 5: Solve for x
    x = 170,386,617.18/20,371.61
  6. Step 6: Final answer
    x = 8,363.92

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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.