Home / 51,224.14-70,687.57-28,254.87

Finding the Fourth Proportional to 51,224.14, 70,687.57 and 28,254.87

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Solution

The fourth proportional to 51,224.14, 70,687.57 and 28,254.87 is: 38,990.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,224.14 : 70,687.57 = 28,254.87 : x
  2. Step 2: Convert to fraction form
    51,224.14/70,687.57 = 28,254.87/x
  3. Step 3: Cross multiply
    51,224.14x = 70,687.57 × 28,254.87
  4. Step 4: Simplify right side
    51,224.14x = 1,997,268,100.97
  5. Step 5: Solve for x
    x = 1,997,268,100.97/51,224.14
  6. Step 6: Final answer
    x = 38,990.76

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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.