Home / 36,387.60-54,581.40-14,201.70

Finding the Fourth Proportional to 36,387.60, 54,581.40 and 14,201.70

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Solution

The fourth proportional to 36,387.60, 54,581.40 and 14,201.70 is: 21,302.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,387.60 : 54,581.40 = 14,201.70 : x
  2. Step 2: Convert to fraction form
    36,387.60/54,581.40 = 14,201.70/x
  3. Step 3: Cross multiply
    36,387.60x = 54,581.40 × 14,201.70
  4. Step 4: Simplify right side
    36,387.60x = 775,148,668.38
  5. Step 5: Solve for x
    x = 775,148,668.38/36,387.60
  6. Step 6: Final answer
    x = 21,302.55

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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.