Home / 51,997.77-71,756.97-28,124.46

Finding the Fourth Proportional to 51,997.77, 71,756.97 and 28,124.46

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Solution

The fourth proportional to 51,997.77, 71,756.97 and 28,124.46 is: 38,811.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,997.77 : 71,756.97 = 28,124.46 : x
  2. Step 2: Convert to fraction form
    51,997.77/71,756.97 = 28,124.46/x
  3. Step 3: Cross multiply
    51,997.77x = 71,756.97 × 28,124.46
  4. Step 4: Simplify right side
    51,997.77x = 2,018,126,032.49
  5. Step 5: Solve for x
    x = 2,018,126,032.49/51,997.77
  6. Step 6: Final answer
    x = 38,811.78

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Similar ratio
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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.