Home / 35,380.29-48,819.24-20,270.04

Finding the Fourth Proportional to 35,380.29, 48,819.24 and 20,270.04

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Solution

The fourth proportional to 35,380.29, 48,819.24 and 20,270.04 is: 27,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,380.29 : 48,819.24 = 20,270.04 : x
  2. Step 2: Convert to fraction form
    35,380.29/48,819.24 = 20,270.04/x
  3. Step 3: Cross multiply
    35,380.29x = 48,819.24 × 20,270.04
  4. Step 4: Simplify right side
    35,380.29x = 989,567,947.57
  5. Step 5: Solve for x
    x = 989,567,947.57/35,380.29
  6. Step 6: Final answer
    x = 27,969.47

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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.