Home / 55,318.31-76,336.98-30,167.81

Finding the Fourth Proportional to 55,318.31, 76,336.98 and 30,167.81

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Solution

The fourth proportional to 55,318.31, 76,336.98 and 30,167.81 is: 41,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,318.31 : 76,336.98 = 30,167.81 : x
  2. Step 2: Convert to fraction form
    55,318.31/76,336.98 = 30,167.81/x
  3. Step 3: Cross multiply
    55,318.31x = 76,336.98 × 30,167.81
  4. Step 4: Simplify right side
    55,318.31x = 2,302,919,469.76
  5. Step 5: Solve for x
    x = 2,302,919,469.76/55,318.31
  6. Step 6: Final answer
    x = 41,630.33

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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.