Home / 38,288.12-57,441.36-18,543.60

Finding the Fourth Proportional to 38,288.12, 57,441.36 and 18,543.60

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Solution

The fourth proportional to 38,288.12, 57,441.36 and 18,543.60 is: 27,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,288.12 : 57,441.36 = 18,543.60 : x
  2. Step 2: Convert to fraction form
    38,288.12/57,441.36 = 18,543.60/x
  3. Step 3: Cross multiply
    38,288.12x = 57,441.36 × 18,543.60
  4. Step 4: Simplify right side
    38,288.12x = 1,065,169,603.30
  5. Step 5: Solve for x
    x = 1,065,169,603.30/38,288.12
  6. Step 6: Final answer
    x = 27,819.85

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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.