Home / 38,325.66-57,489.12-12,030.64

Finding the Fourth Proportional to 38,325.66, 57,489.12 and 12,030.64

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Solution

The fourth proportional to 38,325.66, 57,489.12 and 12,030.64 is: 18,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,325.66 : 57,489.12 = 12,030.64 : x
  2. Step 2: Convert to fraction form
    38,325.66/57,489.12 = 12,030.64/x
  3. Step 3: Cross multiply
    38,325.66x = 57,489.12 × 12,030.64
  4. Step 4: Simplify right side
    38,325.66x = 691,630,906.64
  5. Step 5: Solve for x
    x = 691,630,906.64/38,325.66
  6. Step 6: Final answer
    x = 18,046.16

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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.