Home / 20,175.30-30,264.38-5,384.14

Finding the Fourth Proportional to 20,175.30, 30,264.38 and 5,384.14

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Solution

The fourth proportional to 20,175.30, 30,264.38 and 5,384.14 is: 8,076.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.30 : 30,264.38 = 5,384.14 : x
  2. Step 2: Convert to fraction form
    20,175.30/30,264.38 = 5,384.14/x
  3. Step 3: Cross multiply
    20,175.30x = 30,264.38 × 5,384.14
  4. Step 4: Simplify right side
    20,175.30x = 162,947,658.93
  5. Step 5: Solve for x
    x = 162,947,658.93/20,175.30
  6. Step 6: Final answer
    x = 8,076.59

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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.