Home / 43,356.96-65,017.08-13,766.85

Finding the Fourth Proportional to 43,356.96, 65,017.08 and 13,766.85

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Solution

The fourth proportional to 43,356.96, 65,017.08 and 13,766.85 is: 20,644.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,356.96 : 65,017.08 = 13,766.85 : x
  2. Step 2: Convert to fraction form
    43,356.96/65,017.08 = 13,766.85/x
  3. Step 3: Cross multiply
    43,356.96x = 65,017.08 × 13,766.85
  4. Step 4: Simplify right side
    43,356.96x = 895,080,387.80
  5. Step 5: Solve for x
    x = 895,080,387.80/43,356.96
  6. Step 6: Final answer
    x = 20,644.45

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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.