Home / 20,361.46-30,542.20-5,569.26

Finding the Fourth Proportional to 20,361.46, 30,542.20 and 5,569.26

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Solution

The fourth proportional to 20,361.46, 30,542.20 and 5,569.26 is: 8,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,361.46 : 30,542.20 = 5,569.26 : x
  2. Step 2: Convert to fraction form
    20,361.46/30,542.20 = 5,569.26/x
  3. Step 3: Cross multiply
    20,361.46x = 30,542.20 × 5,569.26
  4. Step 4: Simplify right side
    20,361.46x = 170,097,452.77
  5. Step 5: Solve for x
    x = 170,097,452.77/20,361.46
  6. Step 6: Final answer
    x = 8,353.89

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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.