Home / 29,990.26-41,378.25-17,242.75

Finding the Fourth Proportional to 29,990.26, 41,378.25 and 17,242.75

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Solution

The fourth proportional to 29,990.26, 41,378.25 and 17,242.75 is: 23,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,990.26 : 41,378.25 = 17,242.75 : x
  2. Step 2: Convert to fraction form
    29,990.26/41,378.25 = 17,242.75/x
  3. Step 3: Cross multiply
    29,990.26x = 41,378.25 × 17,242.75
  4. Step 4: Simplify right side
    29,990.26x = 713,474,820.19
  5. Step 5: Solve for x
    x = 713,474,820.19/29,990.26
  6. Step 6: Final answer
    x = 23,790.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.