Home / 38,378.49-57,576.86-12,083.01

Finding the Fourth Proportional to 38,378.49, 57,576.86 and 12,083.01

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Solution

The fourth proportional to 38,378.49, 57,576.86 and 12,083.01 is: 18,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,378.49 : 57,576.86 = 12,083.01 : x
  2. Step 2: Convert to fraction form
    38,378.49/57,576.86 = 12,083.01/x
  3. Step 3: Cross multiply
    38,378.49x = 57,576.86 × 12,083.01
  4. Step 4: Simplify right side
    38,378.49x = 695,701,775.15
  5. Step 5: Solve for x
    x = 695,701,775.15/38,378.49
  6. Step 6: Final answer
    x = 18,127.39

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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.