Home / 57,678.96-86,517.93-18,236.10

Finding the Fourth Proportional to 57,678.96, 86,517.93 and 18,236.10

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Solution

The fourth proportional to 57,678.96, 86,517.93 and 18,236.10 is: 27,353.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,678.96 : 86,517.93 = 18,236.10 : x
  2. Step 2: Convert to fraction form
    57,678.96/86,517.93 = 18,236.10/x
  3. Step 3: Cross multiply
    57,678.96x = 86,517.93 × 18,236.10
  4. Step 4: Simplify right side
    57,678.96x = 1,577,749,623.27
  5. Step 5: Solve for x
    x = 1,577,749,623.27/57,678.96
  6. Step 6: Final answer
    x = 27,353.99

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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.