Home / 57,723.20-86,592.90-18,276.20

Finding the Fourth Proportional to 57,723.20, 86,592.90 and 18,276.20

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Solution

The fourth proportional to 57,723.20, 86,592.90 and 18,276.20 is: 27,416.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,723.20 : 86,592.90 = 18,276.20 : x
  2. Step 2: Convert to fraction form
    57,723.20/86,592.90 = 18,276.20/x
  3. Step 3: Cross multiply
    57,723.20x = 86,592.90 × 18,276.20
  4. Step 4: Simplify right side
    57,723.20x = 1,582,589,158.98
  5. Step 5: Solve for x
    x = 1,582,589,158.98/57,723.20
  6. Step 6: Final answer
    x = 27,416.86

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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.