Home / 38,871.58-58,315.88-12,575.96

Finding the Fourth Proportional to 38,871.58, 58,315.88 and 12,575.96

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Solution

The fourth proportional to 38,871.58, 58,315.88 and 12,575.96 is: 18,866.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871.58 : 58,315.88 = 12,575.96 : x
  2. Step 2: Convert to fraction form
    38,871.58/58,315.88 = 12,575.96/x
  3. Step 3: Cross multiply
    38,871.58x = 58,315.88 × 12,575.96
  4. Step 4: Simplify right side
    38,871.58x = 733,378,174.24
  5. Step 5: Solve for x
    x = 733,378,174.24/38,871.58
  6. Step 6: Final answer
    x = 18,866.69

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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.