Home / 57,840.92-86,760.18-18,398.12

Finding the Fourth Proportional to 57,840.92, 86,760.18 and 18,398.12

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Solution

The fourth proportional to 57,840.92, 86,760.18 and 18,398.12 is: 27,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,840.92 : 86,760.18 = 18,398.12 : x
  2. Step 2: Convert to fraction form
    57,840.92/86,760.18 = 18,398.12/x
  3. Step 3: Cross multiply
    57,840.92x = 86,760.18 × 18,398.12
  4. Step 4: Simplify right side
    57,840.92x = 1,596,224,202.86
  5. Step 5: Solve for x
    x = 1,596,224,202.86/57,840.92
  6. Step 6: Final answer
    x = 27,596.80

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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.