Home / 31,178.12-46,767.17-11,448.14

Finding the Fourth Proportional to 31,178.12, 46,767.17 and 11,448.14

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Solution

The fourth proportional to 31,178.12, 46,767.17 and 11,448.14 is: 17,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,178.12 : 46,767.17 = 11,448.14 : x
  2. Step 2: Convert to fraction form
    31,178.12/46,767.17 = 11,448.14/x
  3. Step 3: Cross multiply
    31,178.12x = 46,767.17 × 11,448.14
  4. Step 4: Simplify right side
    31,178.12x = 535,397,109.56
  5. Step 5: Solve for x
    x = 535,397,109.56/31,178.12
  6. Step 6: Final answer
    x = 17,172.21

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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.