Home / 38,454.21-57,699.08-15,086.85

Finding the Fourth Proportional to 38,454.21, 57,699.08 and 15,086.85

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Solution

The fourth proportional to 38,454.21, 57,699.08 and 15,086.85 is: 22,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,454.21 : 57,699.08 = 15,086.85 : x
  2. Step 2: Convert to fraction form
    38,454.21/57,699.08 = 15,086.85/x
  3. Step 3: Cross multiply
    38,454.21x = 57,699.08 × 15,086.85
  4. Step 4: Simplify right side
    38,454.21x = 870,497,365.10
  5. Step 5: Solve for x
    x = 870,497,365.10/38,454.21
  6. Step 6: Final answer
    x = 22,637.24

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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.