Home / 31,266-43,148.18-17,118.96

Finding the Fourth Proportional to 31,266, 43,148.18 and 17,118.96

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Solution

The fourth proportional to 31,266, 43,148.18 and 17,118.96 is: 23,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266 : 43,148.18 = 17,118.96 : x
  2. Step 2: Convert to fraction form
    31,266/43,148.18 = 17,118.96/x
  3. Step 3: Cross multiply
    31,266x = 43,148.18 × 17,118.96
  4. Step 4: Simplify right side
    31,266x = 738,651,967.49
  5. Step 5: Solve for x
    x = 738,651,967.49/31,266
  6. Step 6: Final answer
    x = 23,624.77

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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.