Home / 51,997.23-71,756.11-28,123.84

Finding the Fourth Proportional to 51,997.23, 71,756.11 and 28,123.84

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Solution

The fourth proportional to 51,997.23, 71,756.11 and 28,123.84 is: 38,810.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,997.23 : 71,756.11 = 28,123.84 : x
  2. Step 2: Convert to fraction form
    51,997.23/71,756.11 = 28,123.84/x
  3. Step 3: Cross multiply
    51,997.23x = 71,756.11 × 28,123.84
  4. Step 4: Simplify right side
    51,997.23x = 2,018,057,356.66
  5. Step 5: Solve for x
    x = 2,018,057,356.66/51,997.23
  6. Step 6: Final answer
    x = 38,810.86

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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.