Home / 31,670.12-43,702.66-17,521.96

Finding the Fourth Proportional to 31,670.12, 43,702.66 and 17,521.96

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Solution

The fourth proportional to 31,670.12, 43,702.66 and 17,521.96 is: 24,179.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,670.12 : 43,702.66 = 17,521.96 : x
  2. Step 2: Convert to fraction form
    31,670.12/43,702.66 = 17,521.96/x
  3. Step 3: Cross multiply
    31,670.12x = 43,702.66 × 17,521.96
  4. Step 4: Simplify right side
    31,670.12x = 765,756,260.41
  5. Step 5: Solve for x
    x = 765,756,260.41/31,670.12
  6. Step 6: Final answer
    x = 24,179.14

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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.