Home / 20,250.04-30,371.40-5,455.54

Finding the Fourth Proportional to 20,250.04, 30,371.40 and 5,455.54

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Solution

The fourth proportional to 20,250.04, 30,371.40 and 5,455.54 is: 8,182.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.04 : 30,371.40 = 5,455.54 : x
  2. Step 2: Convert to fraction form
    20,250.04/30,371.40 = 5,455.54/x
  3. Step 3: Cross multiply
    20,250.04x = 30,371.40 × 5,455.54
  4. Step 4: Simplify right side
    20,250.04x = 165,692,387.56
  5. Step 5: Solve for x
    x = 165,692,387.56/20,250.04
  6. Step 6: Final answer
    x = 8,182.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.