Home / 53,819.20-80,690.40-24,212.80

Finding the Fourth Proportional to 53,819.20, 80,690.40 and 24,212.80

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Solution

The fourth proportional to 53,819.20, 80,690.40 and 24,212.80 is: 36,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,819.20 : 80,690.40 = 24,212.80 : x
  2. Step 2: Convert to fraction form
    53,819.20/80,690.40 = 24,212.80/x
  3. Step 3: Cross multiply
    53,819.20x = 80,690.40 × 24,212.80
  4. Step 4: Simplify right side
    53,819.20x = 1,953,740,517.12
  5. Step 5: Solve for x
    x = 1,953,740,517.12/53,819.20
  6. Step 6: Final answer
    x = 36,301.92

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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.