Home / 38,466.24-57,703.05-12,171.30

Finding the Fourth Proportional to 38,466.24, 57,703.05 and 12,171.30

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Solution

The fourth proportional to 38,466.24, 57,703.05 and 12,171.30 is: 18,258.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,466.24 : 57,703.05 = 12,171.30 : x
  2. Step 2: Convert to fraction form
    38,466.24/57,703.05 = 12,171.30/x
  3. Step 3: Cross multiply
    38,466.24x = 57,703.05 × 12,171.30
  4. Step 4: Simplify right side
    38,466.24x = 702,321,132.47
  5. Step 5: Solve for x
    x = 702,321,132.47/38,466.24
  6. Step 6: Final answer
    x = 18,258.12

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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.