Home / 57,774.12-86,660.94-18,334.30

Finding the Fourth Proportional to 57,774.12, 86,660.94 and 18,334.30

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Solution

The fourth proportional to 57,774.12, 86,660.94 and 18,334.30 is: 27,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,774.12 : 86,660.94 = 18,334.30 : x
  2. Step 2: Convert to fraction form
    57,774.12/86,660.94 = 18,334.30/x
  3. Step 3: Cross multiply
    57,774.12x = 86,660.94 × 18,334.30
  4. Step 4: Simplify right side
    57,774.12x = 1,588,867,672.24
  5. Step 5: Solve for x
    x = 1,588,867,672.24/57,774.12
  6. Step 6: Final answer
    x = 27,501.37

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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.