Home / 38,320.32-57,480.38-12,027.03

Finding the Fourth Proportional to 38,320.32, 57,480.38 and 12,027.03

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Solution

The fourth proportional to 38,320.32, 57,480.38 and 12,027.03 is: 18,040.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,320.32 : 57,480.38 = 12,027.03 : x
  2. Step 2: Convert to fraction form
    38,320.32/57,480.38 = 12,027.03/x
  3. Step 3: Cross multiply
    38,320.32x = 57,480.38 × 12,027.03
  4. Step 4: Simplify right side
    38,320.32x = 691,318,194.54
  5. Step 5: Solve for x
    x = 691,318,194.54/38,320.32
  6. Step 6: Final answer
    x = 18,040.51

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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.