Home / 30,389.18-41,932.92-16,958.72

Finding the Fourth Proportional to 30,389.18, 41,932.92 and 16,958.72

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Solution

The fourth proportional to 30,389.18, 41,932.92 and 16,958.72 is: 23,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.18 : 41,932.92 = 16,958.72 : x
  2. Step 2: Convert to fraction form
    30,389.18/41,932.92 = 16,958.72/x
  3. Step 3: Cross multiply
    30,389.18x = 41,932.92 × 16,958.72
  4. Step 4: Simplify right side
    30,389.18x = 711,128,438.53
  5. Step 5: Solve for x
    x = 711,128,438.53/30,389.18
  6. Step 6: Final answer
    x = 23,400.72

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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.