Home / 38,318.10-57,468.03-12,019.42

Finding the Fourth Proportional to 38,318.10, 57,468.03 and 12,019.42

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Solution

The fourth proportional to 38,318.10, 57,468.03 and 12,019.42 is: 18,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,318.10 : 57,468.03 = 12,019.42 : x
  2. Step 2: Convert to fraction form
    38,318.10/57,468.03 = 12,019.42/x
  3. Step 3: Cross multiply
    38,318.10x = 57,468.03 × 12,019.42
  4. Step 4: Simplify right side
    38,318.10x = 690,732,389.14
  5. Step 5: Solve for x
    x = 690,732,389.14/38,318.10
  6. Step 6: Final answer
    x = 18,026.27

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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.