Home / 43,868.85-65,788.55-14,279.73

Finding the Fourth Proportional to 43,868.85, 65,788.55 and 14,279.73

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Solution

The fourth proportional to 43,868.85, 65,788.55 and 14,279.73 is: 21,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,868.85 : 65,788.55 = 14,279.73 : x
  2. Step 2: Convert to fraction form
    43,868.85/65,788.55 = 14,279.73/x
  3. Step 3: Cross multiply
    43,868.85x = 65,788.55 × 14,279.73
  4. Step 4: Simplify right side
    43,868.85x = 939,442,731.09
  5. Step 5: Solve for x
    x = 939,442,731.09/43,868.85
  6. Step 6: Final answer
    x = 21,414.80

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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.