Home / 36,192.60-54,269.70-12,819.80

Finding the Fourth Proportional to 36,192.60, 54,269.70 and 12,819.80

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Solution

The fourth proportional to 36,192.60, 54,269.70 and 12,819.80 is: 19,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,192.60 : 54,269.70 = 12,819.80 : x
  2. Step 2: Convert to fraction form
    36,192.60/54,269.70 = 12,819.80/x
  3. Step 3: Cross multiply
    36,192.60x = 54,269.70 × 12,819.80
  4. Step 4: Simplify right side
    36,192.60x = 695,726,700.06
  5. Step 5: Solve for x
    x = 695,726,700.06/36,192.60
  6. Step 6: Final answer
    x = 19,222.90

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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.