Home / 30,452.76-41,995.26-20,382.84

Finding the Fourth Proportional to 30,452.76, 41,995.26 and 20,382.84

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Solution

The fourth proportional to 30,452.76, 41,995.26 and 20,382.84 is: 28,108.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,452.76 : 41,995.26 = 20,382.84 : x
  2. Step 2: Convert to fraction form
    30,452.76/41,995.26 = 20,382.84/x
  3. Step 3: Cross multiply
    30,452.76x = 41,995.26 × 20,382.84
  4. Step 4: Simplify right side
    30,452.76x = 855,982,665.34
  5. Step 5: Solve for x
    x = 855,982,665.34/30,452.76
  6. Step 6: Final answer
    x = 28,108.54

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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.