Home / 51,874.90-71,586.42-29,213.80

Finding the Fourth Proportional to 51,874.90, 71,586.42 and 29,213.80

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Solution

The fourth proportional to 51,874.90, 71,586.42 and 29,213.80 is: 40,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,874.90 : 71,586.42 = 29,213.80 : x
  2. Step 2: Convert to fraction form
    51,874.90/71,586.42 = 29,213.80/x
  3. Step 3: Cross multiply
    51,874.90x = 71,586.42 × 29,213.80
  4. Step 4: Simplify right side
    51,874.90x = 2,091,311,356.60
  5. Step 5: Solve for x
    x = 2,091,311,356.60/51,874.90
  6. Step 6: Final answer
    x = 40,314.51

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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.