Home / 34,229.40-51,339.30-10,858.20

Finding the Fourth Proportional to 34,229.40, 51,339.30 and 10,858.20

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Solution

The fourth proportional to 34,229.40, 51,339.30 and 10,858.20 is: 16,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,229.40 : 51,339.30 = 10,858.20 : x
  2. Step 2: Convert to fraction form
    34,229.40/51,339.30 = 10,858.20/x
  3. Step 3: Cross multiply
    34,229.40x = 51,339.30 × 10,858.20
  4. Step 4: Simplify right side
    34,229.40x = 557,452,387.26
  5. Step 5: Solve for x
    x = 557,452,387.26/34,229.40
  6. Step 6: Final answer
    x = 16,285.78

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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.