Home / 38,468.48-57,693.81-12,168.32

Finding the Fourth Proportional to 38,468.48, 57,693.81 and 12,168.32

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Solution

The fourth proportional to 38,468.48, 57,693.81 and 12,168.32 is: 18,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,468.48 : 57,693.81 = 12,168.32 : x
  2. Step 2: Convert to fraction form
    38,468.48/57,693.81 = 12,168.32/x
  3. Step 3: Cross multiply
    38,468.48x = 57,693.81 × 12,168.32
  4. Step 4: Simplify right side
    38,468.48x = 702,036,742.10
  5. Step 5: Solve for x
    x = 702,036,742.10/38,468.48
  6. Step 6: Final answer
    x = 18,249.66

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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.