Home / 57,390.35-79,198.32-31,896.32

Finding the Fourth Proportional to 57,390.35, 79,198.32 and 31,896.32

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Solution

The fourth proportional to 57,390.35, 79,198.32 and 31,896.32 is: 44,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,390.35 : 79,198.32 = 31,896.32 : x
  2. Step 2: Convert to fraction form
    57,390.35/79,198.32 = 31,896.32/x
  3. Step 3: Cross multiply
    57,390.35x = 79,198.32 × 31,896.32
  4. Step 4: Simplify right side
    57,390.35x = 2,526,134,562.19
  5. Step 5: Solve for x
    x = 2,526,134,562.19/57,390.35
  6. Step 6: Final answer
    x = 44,016.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.