Home / 55,527.18-76,629.42-30,376.68

Finding the Fourth Proportional to 55,527.18, 76,629.42 and 30,376.68

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Solution

The fourth proportional to 55,527.18, 76,629.42 and 30,376.68 is: 41,920.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,527.18 : 76,629.42 = 30,376.68 : x
  2. Step 2: Convert to fraction form
    55,527.18/76,629.42 = 30,376.68/x
  3. Step 3: Cross multiply
    55,527.18x = 76,629.42 × 30,376.68
  4. Step 4: Simplify right side
    55,527.18x = 2,327,747,369.93
  5. Step 5: Solve for x
    x = 2,327,747,369.93/55,527.18
  6. Step 6: Final answer
    x = 41,920.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.