Home / 30,611.26-42,240.72-17,183.08

Finding the Fourth Proportional to 30,611.26, 42,240.72 and 17,183.08

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Solution

The fourth proportional to 30,611.26, 42,240.72 and 17,183.08 is: 23,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611.26 : 42,240.72 = 17,183.08 : x
  2. Step 2: Convert to fraction form
    30,611.26/42,240.72 = 17,183.08/x
  3. Step 3: Cross multiply
    30,611.26x = 42,240.72 × 17,183.08
  4. Step 4: Simplify right side
    30,611.26x = 725,825,671.02
  5. Step 5: Solve for x
    x = 725,825,671.02/30,611.26
  6. Step 6: Final answer
    x = 23,711.07

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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.