Home / 38,550.75-57,830.72-13,585.61

Finding the Fourth Proportional to 38,550.75, 57,830.72 and 13,585.61

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Solution

The fourth proportional to 38,550.75, 57,830.72 and 13,585.61 is: 20,380.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,550.75 : 57,830.72 = 13,585.61 : x
  2. Step 2: Convert to fraction form
    38,550.75/57,830.72 = 13,585.61/x
  3. Step 3: Cross multiply
    38,550.75x = 57,830.72 × 13,585.61
  4. Step 4: Simplify right side
    38,550.75x = 785,665,250.86
  5. Step 5: Solve for x
    x = 785,665,250.86/38,550.75
  6. Step 6: Final answer
    x = 20,380.03

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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.