Home / 31,188.24-46,794-18,717.21

Finding the Fourth Proportional to 31,188.24, 46,794 and 18,717.21

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Solution

The fourth proportional to 31,188.24, 46,794 and 18,717.21 is: 28,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,188.24 : 46,794 = 18,717.21 : x
  2. Step 2: Convert to fraction form
    31,188.24/46,794 = 18,717.21/x
  3. Step 3: Cross multiply
    31,188.24x = 46,794 × 18,717.21
  4. Step 4: Simplify right side
    31,188.24x = 875,853,124.74
  5. Step 5: Solve for x
    x = 875,853,124.74/31,188.24
  6. Step 6: Final answer
    x = 28,082.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.