Home / 38,103.45-57,160.49-15,911.75

Finding the Fourth Proportional to 38,103.45, 57,160.49 and 15,911.75

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Solution

The fourth proportional to 38,103.45, 57,160.49 and 15,911.75 is: 23,869.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,103.45 : 57,160.49 = 15,911.75 : x
  2. Step 2: Convert to fraction form
    38,103.45/57,160.49 = 15,911.75/x
  3. Step 3: Cross multiply
    38,103.45x = 57,160.49 × 15,911.75
  4. Step 4: Simplify right side
    38,103.45x = 909,523,061.40
  5. Step 5: Solve for x
    x = 909,523,061.40/38,103.45
  6. Step 6: Final answer
    x = 23,869.83

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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.