Home / 57,679.86-86,519.25-18,236.98

Finding the Fourth Proportional to 57,679.86, 86,519.25 and 18,236.98

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Solution

The fourth proportional to 57,679.86, 86,519.25 and 18,236.98 is: 27,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,679.86 : 86,519.25 = 18,236.98 : x
  2. Step 2: Convert to fraction form
    57,679.86/86,519.25 = 18,236.98/x
  3. Step 3: Cross multiply
    57,679.86x = 86,519.25 × 18,236.98
  4. Step 4: Simplify right side
    57,679.86x = 1,577,849,615.57
  5. Step 5: Solve for x
    x = 1,577,849,615.57/57,679.86
  6. Step 6: Final answer
    x = 27,355.30

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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.