Home / 20,038.83-30,059.97-5,247.75

Finding the Fourth Proportional to 20,038.83, 30,059.97 and 5,247.75

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Solution

The fourth proportional to 20,038.83, 30,059.97 and 5,247.75 is: 7,872.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.83 : 30,059.97 = 5,247.75 : x
  2. Step 2: Convert to fraction form
    20,038.83/30,059.97 = 5,247.75/x
  3. Step 3: Cross multiply
    20,038.83x = 30,059.97 × 5,247.75
  4. Step 4: Simplify right side
    20,038.83x = 157,747,207.57
  5. Step 5: Solve for x
    x = 157,747,207.57/20,038.83
  6. Step 6: Final answer
    x = 7,872.08

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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.