Home / 43,517.50-65,277.66-20,716.40

Finding the Fourth Proportional to 43,517.50, 65,277.66 and 20,716.40

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Solution

The fourth proportional to 43,517.50, 65,277.66 and 20,716.40 is: 31,075.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,517.50 : 65,277.66 = 20,716.40 : x
  2. Step 2: Convert to fraction form
    43,517.50/65,277.66 = 20,716.40/x
  3. Step 3: Cross multiply
    43,517.50x = 65,277.66 × 20,716.40
  4. Step 4: Simplify right side
    43,517.50x = 1,352,318,115.62
  5. Step 5: Solve for x
    x = 1,352,318,115.62/43,517.50
  6. Step 6: Final answer
    x = 31,075.27

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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.