Home / 38,318.35-57,468.41-12,019.67

Finding the Fourth Proportional to 38,318.35, 57,468.41 and 12,019.67

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Solution

The fourth proportional to 38,318.35, 57,468.41 and 12,019.67 is: 18,026.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,318.35 : 57,468.41 = 12,019.67 : x
  2. Step 2: Convert to fraction form
    38,318.35/57,468.41 = 12,019.67/x
  3. Step 3: Cross multiply
    38,318.35x = 57,468.41 × 12,019.67
  4. Step 4: Simplify right side
    38,318.35x = 690,751,263.53
  5. Step 5: Solve for x
    x = 690,751,263.53/38,318.35
  6. Step 6: Final answer
    x = 18,026.65

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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.