Home / 43,356.26-65,027.58-13,770.20

Finding the Fourth Proportional to 43,356.26, 65,027.58 and 13,770.20

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Solution

The fourth proportional to 43,356.26, 65,027.58 and 13,770.20 is: 20,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,356.26 : 65,027.58 = 13,770.20 : x
  2. Step 2: Convert to fraction form
    43,356.26/65,027.58 = 13,770.20/x
  3. Step 3: Cross multiply
    43,356.26x = 65,027.58 × 13,770.20
  4. Step 4: Simplify right side
    43,356.26x = 895,442,456.98
  5. Step 5: Solve for x
    x = 895,442,456.98/43,356.26
  6. Step 6: Final answer
    x = 20,653.13

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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.