Home / 34,118.20-51,177.30-28,286.20

Finding the Fourth Proportional to 34,118.20, 51,177.30 and 28,286.20

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Solution

The fourth proportional to 34,118.20, 51,177.30 and 28,286.20 is: 42,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,118.20 : 51,177.30 = 28,286.20 : x
  2. Step 2: Convert to fraction form
    34,118.20/51,177.30 = 28,286.20/x
  3. Step 3: Cross multiply
    34,118.20x = 51,177.30 × 28,286.20
  4. Step 4: Simplify right side
    34,118.20x = 1,447,611,343.26
  5. Step 5: Solve for x
    x = 1,447,611,343.26/34,118.20
  6. Step 6: Final answer
    x = 42,429.30

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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.