Home / 31,181.24-46,726.24-15,381.56

Finding the Fourth Proportional to 31,181.24, 46,726.24 and 15,381.56

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Solution

The fourth proportional to 31,181.24, 46,726.24 and 15,381.56 is: 23,049.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,181.24 : 46,726.24 = 15,381.56 : x
  2. Step 2: Convert to fraction form
    31,181.24/46,726.24 = 15,381.56/x
  3. Step 3: Cross multiply
    31,181.24x = 46,726.24 × 15,381.56
  4. Step 4: Simplify right side
    31,181.24x = 718,722,464.13
  5. Step 5: Solve for x
    x = 718,722,464.13/31,181.24
  6. Step 6: Final answer
    x = 23,049.84

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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.