Home / 34,179.20-51,230.40-17,532.80

Finding the Fourth Proportional to 34,179.20, 51,230.40 and 17,532.80

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Solution

The fourth proportional to 34,179.20, 51,230.40 and 17,532.80 is: 26,279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,179.20 : 51,230.40 = 17,532.80 : x
  2. Step 2: Convert to fraction form
    34,179.20/51,230.40 = 17,532.80/x
  3. Step 3: Cross multiply
    34,179.20x = 51,230.40 × 17,532.80
  4. Step 4: Simplify right side
    34,179.20x = 898,212,357.12
  5. Step 5: Solve for x
    x = 898,212,357.12/34,179.20
  6. Step 6: Final answer
    x = 26,279.50

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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.