Home / 39,272.11-58,914.78-18,203.61

Finding the Fourth Proportional to 39,272.11, 58,914.78 and 18,203.61

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Solution

The fourth proportional to 39,272.11, 58,914.78 and 18,203.61 is: 27,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,272.11 : 58,914.78 = 18,203.61 : x
  2. Step 2: Convert to fraction form
    39,272.11/58,914.78 = 18,203.61/x
  3. Step 3: Cross multiply
    39,272.11x = 58,914.78 × 18,203.61
  4. Step 4: Simplify right side
    39,272.11x = 1,072,461,678.36
  5. Step 5: Solve for x
    x = 1,072,461,678.36/39,272.11
  6. Step 6: Final answer
    x = 27,308.48

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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.