Home / 36,498.40-54,769.20-26,612.80

Finding the Fourth Proportional to 36,498.40, 54,769.20 and 26,612.80

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Solution

The fourth proportional to 36,498.40, 54,769.20 and 26,612.80 is: 39,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,498.40 : 54,769.20 = 26,612.80 : x
  2. Step 2: Convert to fraction form
    36,498.40/54,769.20 = 26,612.80/x
  3. Step 3: Cross multiply
    36,498.40x = 54,769.20 × 26,612.80
  4. Step 4: Simplify right side
    36,498.40x = 1,457,561,765.76
  5. Step 5: Solve for x
    x = 1,457,561,765.76/36,498.40
  6. Step 6: Final answer
    x = 39,934.95

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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.