Home / 31,214-46,825.66-11,491.04

Finding the Fourth Proportional to 31,214, 46,825.66 and 11,491.04

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Solution

The fourth proportional to 31,214, 46,825.66 and 11,491.04 is: 17,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,214 : 46,825.66 = 11,491.04 : x
  2. Step 2: Convert to fraction form
    31,214/46,825.66 = 11,491.04/x
  3. Step 3: Cross multiply
    31,214x = 46,825.66 × 11,491.04
  4. Step 4: Simplify right side
    31,214x = 538,075,532.09
  5. Step 5: Solve for x
    x = 538,075,532.09/31,214
  6. Step 6: Final answer
    x = 17,238.28

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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.