Home / 33,308.66-49,938.28-20,157.91

Finding the Fourth Proportional to 33,308.66, 49,938.28 and 20,157.91

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Solution

The fourth proportional to 33,308.66, 49,938.28 and 20,157.91 is: 30,221.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,308.66 : 49,938.28 = 20,157.91 : x
  2. Step 2: Convert to fraction form
    33,308.66/49,938.28 = 20,157.91/x
  3. Step 3: Cross multiply
    33,308.66x = 49,938.28 × 20,157.91
  4. Step 4: Simplify right side
    33,308.66x = 1,006,651,353.79
  5. Step 5: Solve for x
    x = 1,006,651,353.79/33,308.66
  6. Step 6: Final answer
    x = 30,221.91

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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.