Home / 20,201.89-30,304.47-5,410.69

Finding the Fourth Proportional to 20,201.89, 30,304.47 and 5,410.69

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Solution

The fourth proportional to 20,201.89, 30,304.47 and 5,410.69 is: 8,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201.89 : 30,304.47 = 5,410.69 : x
  2. Step 2: Convert to fraction form
    20,201.89/30,304.47 = 5,410.69/x
  3. Step 3: Cross multiply
    20,201.89x = 30,304.47 × 5,410.69
  4. Step 4: Simplify right side
    20,201.89x = 163,968,092.78
  5. Step 5: Solve for x
    x = 163,968,092.78/20,201.89
  6. Step 6: Final answer
    x = 8,116.47

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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.