Home / 40,756.43-61,143.46-12,675.96

Finding the Fourth Proportional to 40,756.43, 61,143.46 and 12,675.96

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Solution

The fourth proportional to 40,756.43, 61,143.46 and 12,675.96 is: 19,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,756.43 : 61,143.46 = 12,675.96 : x
  2. Step 2: Convert to fraction form
    40,756.43/61,143.46 = 12,675.96/x
  3. Step 3: Cross multiply
    40,756.43x = 61,143.46 × 12,675.96
  4. Step 4: Simplify right side
    40,756.43x = 775,052,021.53
  5. Step 5: Solve for x
    x = 775,052,021.53/40,756.43
  6. Step 6: Final answer
    x = 19,016.68

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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.