Home / 38,317.85-57,467.66-12,019.17

Finding the Fourth Proportional to 38,317.85, 57,467.66 and 12,019.17

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Solution

The fourth proportional to 38,317.85, 57,467.66 and 12,019.17 is: 18,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,317.85 : 57,467.66 = 12,019.17 : x
  2. Step 2: Convert to fraction form
    38,317.85/57,467.66 = 12,019.17/x
  3. Step 3: Cross multiply
    38,317.85x = 57,467.66 × 12,019.17
  4. Step 4: Simplify right side
    38,317.85x = 690,713,514.95
  5. Step 5: Solve for x
    x = 690,713,514.95/38,317.85
  6. Step 6: Final answer
    x = 18,025.90

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1.5x scale

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.