Home / 51,997.02-71,755.90-29,340.80

Finding the Fourth Proportional to 51,997.02, 71,755.90 and 29,340.80

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Solution

The fourth proportional to 51,997.02, 71,755.90 and 29,340.80 is: 40,490.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,997.02 : 71,755.90 = 29,340.80 : x
  2. Step 2: Convert to fraction form
    51,997.02/71,755.90 = 29,340.80/x
  3. Step 3: Cross multiply
    51,997.02x = 71,755.90 × 29,340.80
  4. Step 4: Simplify right side
    51,997.02x = 2,105,375,510.72
  5. Step 5: Solve for x
    x = 2,105,375,510.72/51,997.02
  6. Step 6: Final answer
    x = 40,490.31

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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.