Home / 34,173.26-47,150.21-20,018.51

Finding the Fourth Proportional to 34,173.26, 47,150.21 and 20,018.51

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Solution

The fourth proportional to 34,173.26, 47,150.21 and 20,018.51 is: 27,620.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,173.26 : 47,150.21 = 20,018.51 : x
  2. Step 2: Convert to fraction form
    34,173.26/47,150.21 = 20,018.51/x
  3. Step 3: Cross multiply
    34,173.26x = 47,150.21 × 20,018.51
  4. Step 4: Simplify right side
    34,173.26x = 943,876,850.29
  5. Step 5: Solve for x
    x = 943,876,850.29/34,173.26
  6. Step 6: Final answer
    x = 27,620.33

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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.