Home / 34,521.06-47,627.82-20,371.20

Finding the Fourth Proportional to 34,521.06, 47,627.82 and 20,371.20

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Solution

The fourth proportional to 34,521.06, 47,627.82 and 20,371.20 is: 28,105.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,521.06 : 47,627.82 = 20,371.20 : x
  2. Step 2: Convert to fraction form
    34,521.06/47,627.82 = 20,371.20/x
  3. Step 3: Cross multiply
    34,521.06x = 47,627.82 × 20,371.20
  4. Step 4: Simplify right side
    34,521.06x = 970,235,846.78
  5. Step 5: Solve for x
    x = 970,235,846.78/34,521.06
  6. Step 6: Final answer
    x = 28,105.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.