Home / 36,194.40-54,288.18-12,819.60

Finding the Fourth Proportional to 36,194.40, 54,288.18 and 12,819.60

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Solution

The fourth proportional to 36,194.40, 54,288.18 and 12,819.60 is: 19,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,194.40 : 54,288.18 = 12,819.60 : x
  2. Step 2: Convert to fraction form
    36,194.40/54,288.18 = 12,819.60/x
  3. Step 3: Cross multiply
    36,194.40x = 54,288.18 × 12,819.60
  4. Step 4: Simplify right side
    36,194.40x = 695,952,752.33
  5. Step 5: Solve for x
    x = 695,952,752.33/36,194.40
  6. Step 6: Final answer
    x = 19,228.19

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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.