Home / 39,611.12-59,429.92-12,958.33

Finding the Fourth Proportional to 39,611.12, 59,429.92 and 12,958.33

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Solution

The fourth proportional to 39,611.12, 59,429.92 and 12,958.33 is: 19,441.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,611.12 : 59,429.92 = 12,958.33 : x
  2. Step 2: Convert to fraction form
    39,611.12/59,429.92 = 12,958.33/x
  3. Step 3: Cross multiply
    39,611.12x = 59,429.92 × 12,958.33
  4. Step 4: Simplify right side
    39,611.12x = 770,112,515.23
  5. Step 5: Solve for x
    x = 770,112,515.23/39,611.12
  6. Step 6: Final answer
    x = 19,441.83

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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.