Home / 31,046.09-46,581.28-17,891.28

Finding the Fourth Proportional to 31,046.09, 46,581.28 and 17,891.28

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Solution

The fourth proportional to 31,046.09, 46,581.28 and 17,891.28 is: 26,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,046.09 : 46,581.28 = 17,891.28 : x
  2. Step 2: Convert to fraction form
    31,046.09/46,581.28 = 17,891.28/x
  3. Step 3: Cross multiply
    31,046.09x = 46,581.28 × 17,891.28
  4. Step 4: Simplify right side
    31,046.09x = 833,398,678.51
  5. Step 5: Solve for x
    x = 833,398,678.51/31,046.09
  6. Step 6: Final answer
    x = 26,843.92

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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.