Home / 29,759.12-44,639.35-11,991.57

Finding the Fourth Proportional to 29,759.12, 44,639.35 and 11,991.57

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Solution

The fourth proportional to 29,759.12, 44,639.35 and 11,991.57 is: 17,987.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,759.12 : 44,639.35 = 11,991.57 : x
  2. Step 2: Convert to fraction form
    29,759.12/44,639.35 = 11,991.57/x
  3. Step 3: Cross multiply
    29,759.12x = 44,639.35 × 11,991.57
  4. Step 4: Simplify right side
    29,759.12x = 535,295,890.28
  5. Step 5: Solve for x
    x = 535,295,890.28/29,759.12
  6. Step 6: Final answer
    x = 17,987.62

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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.