Home / 38,310.39-57,519.36-19,603.85

Finding the Fourth Proportional to 38,310.39, 57,519.36 and 19,603.85

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Solution

The fourth proportional to 38,310.39, 57,519.36 and 19,603.85 is: 29,433.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310.39 : 57,519.36 = 19,603.85 : x
  2. Step 2: Convert to fraction form
    38,310.39/57,519.36 = 19,603.85/x
  3. Step 3: Cross multiply
    38,310.39x = 57,519.36 × 19,603.85
  4. Step 4: Simplify right side
    38,310.39x = 1,127,600,617.94
  5. Step 5: Solve for x
    x = 1,127,600,617.94/38,310.39
  6. Step 6: Final answer
    x = 29,433.28

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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.