Home / 51,542.92-71,122.59-30,314.44

Finding the Fourth Proportional to 51,542.92, 71,122.59 and 30,314.44

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Solution

The fourth proportional to 51,542.92, 71,122.59 and 30,314.44 is: 41,830.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,542.92 : 71,122.59 = 30,314.44 : x
  2. Step 2: Convert to fraction form
    51,542.92/71,122.59 = 30,314.44/x
  3. Step 3: Cross multiply
    51,542.92x = 71,122.59 × 30,314.44
  4. Step 4: Simplify right side
    51,542.92x = 2,156,041,487.20
  5. Step 5: Solve for x
    x = 2,156,041,487.20/51,542.92
  6. Step 6: Final answer
    x = 41,830.02

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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.