Home / 34,147.60-51,250.20-15,456.40

Finding the Fourth Proportional to 34,147.60, 51,250.20 and 15,456.40

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Solution

The fourth proportional to 34,147.60, 51,250.20 and 15,456.40 is: 23,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,147.60 : 51,250.20 = 15,456.40 : x
  2. Step 2: Convert to fraction form
    34,147.60/51,250.20 = 15,456.40/x
  3. Step 3: Cross multiply
    34,147.60x = 51,250.20 × 15,456.40
  4. Step 4: Simplify right side
    34,147.60x = 792,143,591.28
  5. Step 5: Solve for x
    x = 792,143,591.28/34,147.60
  6. Step 6: Final answer
    x = 23,197.64

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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.