Home / 30,121.28-41,568.46-18,182.30

Finding the Fourth Proportional to 30,121.28, 41,568.46 and 18,182.30

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Solution

The fourth proportional to 30,121.28, 41,568.46 and 18,182.30 is: 25,092.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.28 : 41,568.46 = 18,182.30 : x
  2. Step 2: Convert to fraction form
    30,121.28/41,568.46 = 18,182.30/x
  3. Step 3: Cross multiply
    30,121.28x = 41,568.46 × 18,182.30
  4. Step 4: Simplify right side
    30,121.28x = 755,810,210.26
  5. Step 5: Solve for x
    x = 755,810,210.26/30,121.28
  6. Step 6: Final answer
    x = 25,092.23

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Double scale
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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.