Home / 38,871.35-58,315.50-12,575.69

Finding the Fourth Proportional to 38,871.35, 58,315.50 and 12,575.69

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Solution

The fourth proportional to 38,871.35, 58,315.50 and 12,575.69 is: 18,866.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,871.35 : 58,315.50 = 12,575.69 : x
  2. Step 2: Convert to fraction form
    38,871.35/58,315.50 = 12,575.69/x
  3. Step 3: Cross multiply
    38,871.35x = 58,315.50 × 12,575.69
  4. Step 4: Simplify right side
    38,871.35x = 733,357,650.20
  5. Step 5: Solve for x
    x = 733,357,650.20/38,871.35
  6. Step 6: Final answer
    x = 18,866.28

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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.