Home / 38,085.67-57,165.41-18,378.06

Finding the Fourth Proportional to 38,085.67, 57,165.41 and 18,378.06

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Solution

The fourth proportional to 38,085.67, 57,165.41 and 18,378.06 is: 27,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,085.67 : 57,165.41 = 18,378.06 : x
  2. Step 2: Convert to fraction form
    38,085.67/57,165.41 = 18,378.06/x
  3. Step 3: Cross multiply
    38,085.67x = 57,165.41 × 18,378.06
  4. Step 4: Simplify right side
    38,085.67x = 1,050,589,334.90
  5. Step 5: Solve for x
    x = 1,050,589,334.90/38,085.67
  6. Step 6: Final answer
    x = 27,584.90

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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.