Home / 31,307.69-43,204.61-17,160.23

Finding the Fourth Proportional to 31,307.69, 43,204.61 and 17,160.23

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Solution

The fourth proportional to 31,307.69, 43,204.61 and 17,160.23 is: 23,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.69 : 43,204.61 = 17,160.23 : x
  2. Step 2: Convert to fraction form
    31,307.69/43,204.61 = 17,160.23/x
  3. Step 3: Cross multiply
    31,307.69x = 43,204.61 × 17,160.23
  4. Step 4: Simplify right side
    31,307.69x = 741,401,044.66
  5. Step 5: Solve for x
    x = 741,401,044.66/31,307.69
  6. Step 6: Final answer
    x = 23,681.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.