Home / 52,286.68-78,439.74-17,227.72

Finding the Fourth Proportional to 52,286.68, 78,439.74 and 17,227.72

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Solution

The fourth proportional to 52,286.68, 78,439.74 and 17,227.72 is: 25,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,286.68 : 78,439.74 = 17,227.72 : x
  2. Step 2: Convert to fraction form
    52,286.68/78,439.74 = 17,227.72/x
  3. Step 3: Cross multiply
    52,286.68x = 78,439.74 × 17,227.72
  4. Step 4: Simplify right side
    52,286.68x = 1,351,337,877.59
  5. Step 5: Solve for x
    x = 1,351,337,877.59/52,286.68
  6. Step 6: Final answer
    x = 25,844.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.