Home / 43,381.80-65,084.94-12,217.32

Finding the Fourth Proportional to 43,381.80, 65,084.94 and 12,217.32

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Solution

The fourth proportional to 43,381.80, 65,084.94 and 12,217.32 is: 18,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,381.80 : 65,084.94 = 12,217.32 : x
  2. Step 2: Convert to fraction form
    43,381.80/65,084.94 = 12,217.32/x
  3. Step 3: Cross multiply
    43,381.80x = 65,084.94 × 12,217.32
  4. Step 4: Simplify right side
    43,381.80x = 795,163,539.16
  5. Step 5: Solve for x
    x = 795,163,539.16/43,381.80
  6. Step 6: Final answer
    x = 18,329.43

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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.