Home / 38,317.05-57,404.30-20,801.61

Finding the Fourth Proportional to 38,317.05, 57,404.30 and 20,801.61

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Solution

The fourth proportional to 38,317.05, 57,404.30 and 20,801.61 is: 31,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,317.05 : 57,404.30 = 20,801.61 : x
  2. Step 2: Convert to fraction form
    38,317.05/57,404.30 = 20,801.61/x
  3. Step 3: Cross multiply
    38,317.05x = 57,404.30 × 20,801.61
  4. Step 4: Simplify right side
    38,317.05x = 1,194,101,756.91
  5. Step 5: Solve for x
    x = 1,194,101,756.91/38,317.05
  6. Step 6: Final answer
    x = 31,163.72

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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.