Home / 57,454.32-86,157.89-21,928.58

Finding the Fourth Proportional to 57,454.32, 86,157.89 and 21,928.58

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Solution

The fourth proportional to 57,454.32, 86,157.89 and 21,928.58 is: 32,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,454.32 : 86,157.89 = 21,928.58 : x
  2. Step 2: Convert to fraction form
    57,454.32/86,157.89 = 21,928.58/x
  3. Step 3: Cross multiply
    57,454.32x = 86,157.89 × 21,928.58
  4. Step 4: Simplify right side
    57,454.32x = 1,889,320,183.50
  5. Step 5: Solve for x
    x = 1,889,320,183.50/57,454.32
  6. Step 6: Final answer
    x = 32,883.87

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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.