Home / 38,317.56-57,468-12,018.84

Finding the Fourth Proportional to 38,317.56, 57,468 and 12,018.84

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Solution

The fourth proportional to 38,317.56, 57,468 and 12,018.84 is: 18,025.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,317.56 : 57,468 = 12,018.84 : x
  2. Step 2: Convert to fraction form
    38,317.56/57,468 = 12,018.84/x
  3. Step 3: Cross multiply
    38,317.56x = 57,468 × 12,018.84
  4. Step 4: Simplify right side
    38,317.56x = 690,698,697.12
  5. Step 5: Solve for x
    x = 690,698,697.12/38,317.56
  6. Step 6: Final answer
    x = 18,025.64

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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.