Home / 33,148.51-49,711.47-12,083.60

Finding the Fourth Proportional to 33,148.51, 49,711.47 and 12,083.60

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Solution

The fourth proportional to 33,148.51, 49,711.47 and 12,083.60 is: 18,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,148.51 : 49,711.47 = 12,083.60 : x
  2. Step 2: Convert to fraction form
    33,148.51/49,711.47 = 12,083.60/x
  3. Step 3: Cross multiply
    33,148.51x = 49,711.47 × 12,083.60
  4. Step 4: Simplify right side
    33,148.51x = 600,693,386.20
  5. Step 5: Solve for x
    x = 600,693,386.20/33,148.51
  6. Step 6: Final answer
    x = 18,121.28

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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.