Home / 34,167.20-51,207.60-30,279.20

Finding the Fourth Proportional to 34,167.20, 51,207.60 and 30,279.20

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Solution

The fourth proportional to 34,167.20, 51,207.60 and 30,279.20 is: 45,380.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,167.20 : 51,207.60 = 30,279.20 : x
  2. Step 2: Convert to fraction form
    34,167.20/51,207.60 = 30,279.20/x
  3. Step 3: Cross multiply
    34,167.20x = 51,207.60 × 30,279.20
  4. Step 4: Simplify right side
    34,167.20x = 1,550,525,161.92
  5. Step 5: Solve for x
    x = 1,550,525,161.92/34,167.20
  6. Step 6: Final answer
    x = 45,380.52

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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.