Home / 57,990.19-86,992.85-16,438.27

Finding the Fourth Proportional to 57,990.19, 86,992.85 and 16,438.27

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Solution

The fourth proportional to 57,990.19, 86,992.85 and 16,438.27 is: 24,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,990.19 : 86,992.85 = 16,438.27 : x
  2. Step 2: Convert to fraction form
    57,990.19/86,992.85 = 16,438.27/x
  3. Step 3: Cross multiply
    57,990.19x = 86,992.85 × 16,438.27
  4. Step 4: Simplify right side
    57,990.19x = 1,430,011,956.37
  5. Step 5: Solve for x
    x = 1,430,011,956.37/57,990.19
  6. Step 6: Final answer
    x = 24,659.55

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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.