Home / 51,253.26-70,724.12-30,028.56

Finding the Fourth Proportional to 51,253.26, 70,724.12 and 30,028.56

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Solution

The fourth proportional to 51,253.26, 70,724.12 and 30,028.56 is: 41,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,253.26 : 70,724.12 = 30,028.56 : x
  2. Step 2: Convert to fraction form
    51,253.26/70,724.12 = 30,028.56/x
  3. Step 3: Cross multiply
    51,253.26x = 70,724.12 × 30,028.56
  4. Step 4: Simplify right side
    51,253.26x = 2,123,743,330.72
  5. Step 5: Solve for x
    x = 2,123,743,330.72/51,253.26
  6. Step 6: Final answer
    x = 41,436.26

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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.