Home / 31,161.11-46,696.77-13,387.14

Finding the Fourth Proportional to 31,161.11, 46,696.77 and 13,387.14

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Solution

The fourth proportional to 31,161.11, 46,696.77 and 13,387.14 is: 20,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.11 : 46,696.77 = 13,387.14 : x
  2. Step 2: Convert to fraction form
    31,161.11/46,696.77 = 13,387.14/x
  3. Step 3: Cross multiply
    31,161.11x = 46,696.77 × 13,387.14
  4. Step 4: Simplify right side
    31,161.11x = 625,136,197.54
  5. Step 5: Solve for x
    x = 625,136,197.54/31,161.11
  6. Step 6: Final answer
    x = 20,061.43

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1.5x scale

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.