Home / 36,172.11-54,192.45-35,384.79

Finding the Fourth Proportional to 36,172.11, 54,192.45 and 35,384.79

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Solution

The fourth proportional to 36,172.11, 54,192.45 and 35,384.79 is: 53,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,172.11 : 54,192.45 = 35,384.79 : x
  2. Step 2: Convert to fraction form
    36,172.11/54,192.45 = 35,384.79/x
  3. Step 3: Cross multiply
    36,172.11x = 54,192.45 × 35,384.79
  4. Step 4: Simplify right side
    36,172.11x = 1,917,588,462.84
  5. Step 5: Solve for x
    x = 1,917,588,462.84/36,172.11
  6. Step 6: Final answer
    x = 53,012.90

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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.