Home / 36,083.49-54,111.39-12,386.62

Finding the Fourth Proportional to 36,083.49, 54,111.39 and 12,386.62

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Solution

The fourth proportional to 36,083.49, 54,111.39 and 12,386.62 is: 18,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,083.49 : 54,111.39 = 12,386.62 : x
  2. Step 2: Convert to fraction form
    36,083.49/54,111.39 = 12,386.62/x
  3. Step 3: Cross multiply
    36,083.49x = 54,111.39 × 12,386.62
  4. Step 4: Simplify right side
    36,083.49x = 670,257,225.60
  5. Step 5: Solve for x
    x = 670,257,225.60/36,083.49
  6. Step 6: Final answer
    x = 18,575.18

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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.