Home / 39,131.66-58,696.44-11,053.65

Finding the Fourth Proportional to 39,131.66, 58,696.44 and 11,053.65

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Solution

The fourth proportional to 39,131.66, 58,696.44 and 11,053.65 is: 16,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,131.66 : 58,696.44 = 11,053.65 : x
  2. Step 2: Convert to fraction form
    39,131.66/58,696.44 = 11,053.65/x
  3. Step 3: Cross multiply
    39,131.66x = 58,696.44 × 11,053.65
  4. Step 4: Simplify right side
    39,131.66x = 648,809,904.01
  5. Step 5: Solve for x
    x = 648,809,904.01/39,131.66
  6. Step 6: Final answer
    x = 16,580.18

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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.