Home / 34,167.15-51,242.22-11,981.25

Finding the Fourth Proportional to 34,167.15, 51,242.22 and 11,981.25

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Solution

The fourth proportional to 34,167.15, 51,242.22 and 11,981.25 is: 17,968.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,167.15 : 51,242.22 = 11,981.25 : x
  2. Step 2: Convert to fraction form
    34,167.15/51,242.22 = 11,981.25/x
  3. Step 3: Cross multiply
    34,167.15x = 51,242.22 × 11,981.25
  4. Step 4: Simplify right side
    34,167.15x = 613,945,848.38
  5. Step 5: Solve for x
    x = 613,945,848.38/34,167.15
  6. Step 6: Final answer
    x = 17,968.89

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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.