Home / 39,419.43-59,138.50-11,338.85

Finding the Fourth Proportional to 39,419.43, 59,138.50 and 11,338.85

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Solution

The fourth proportional to 39,419.43, 59,138.50 and 11,338.85 is: 17,010.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,419.43 : 59,138.50 = 11,338.85 : x
  2. Step 2: Convert to fraction form
    39,419.43/59,138.50 = 11,338.85/x
  3. Step 3: Cross multiply
    39,419.43x = 59,138.50 × 11,338.85
  4. Step 4: Simplify right side
    39,419.43x = 670,562,580.73
  5. Step 5: Solve for x
    x = 670,562,580.73/39,419.43
  6. Step 6: Final answer
    x = 17,010.97

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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.