Home / 57,677.94-86,517.63-18,238.50

Finding the Fourth Proportional to 57,677.94, 86,517.63 and 18,238.50

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Solution

The fourth proportional to 57,677.94, 86,517.63 and 18,238.50 is: 27,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,677.94 : 86,517.63 = 18,238.50 : x
  2. Step 2: Convert to fraction form
    57,677.94/86,517.63 = 18,238.50/x
  3. Step 3: Cross multiply
    57,677.94x = 86,517.63 × 18,238.50
  4. Step 4: Simplify right side
    57,677.94x = 1,577,951,794.76
  5. Step 5: Solve for x
    x = 1,577,951,794.76/57,677.94
  6. Step 6: Final answer
    x = 27,357.98

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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.