Home / 30,323.08-41,797.38-20,231.56

Finding the Fourth Proportional to 30,323.08, 41,797.38 and 20,231.56

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Solution

The fourth proportional to 30,323.08, 41,797.38 and 20,231.56 is: 27,887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,323.08 : 41,797.38 = 20,231.56 : x
  2. Step 2: Convert to fraction form
    30,323.08/41,797.38 = 20,231.56/x
  3. Step 3: Cross multiply
    30,323.08x = 41,797.38 × 20,231.56
  4. Step 4: Simplify right side
    30,323.08x = 845,626,201.31
  5. Step 5: Solve for x
    x = 845,626,201.31/30,323.08
  6. Step 6: Final answer
    x = 27,887.21

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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.