Home / 39,759.26-59,617.62-20,991.83

Finding the Fourth Proportional to 39,759.26, 59,617.62 and 20,991.83

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Solution

The fourth proportional to 39,759.26, 59,617.62 and 20,991.83 is: 31,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,759.26 : 59,617.62 = 20,991.83 : x
  2. Step 2: Convert to fraction form
    39,759.26/59,617.62 = 20,991.83/x
  3. Step 3: Cross multiply
    39,759.26x = 59,617.62 × 20,991.83
  4. Step 4: Simplify right side
    39,759.26x = 1,251,482,645.96
  5. Step 5: Solve for x
    x = 1,251,482,645.96/39,759.26
  6. Step 6: Final answer
    x = 31,476.51

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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.