Home / 38,930.93-58,414.87-20,201.00

Finding the Fourth Proportional to 38,930.93, 58,414.87 and 20,201.00

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Solution

The fourth proportional to 38,930.93, 58,414.87 and 20,201.00 is: 30,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,930.93 : 58,414.87 = 20,201.00 : x
  2. Step 2: Convert to fraction form
    38,930.93/58,414.87 = 20,201.00/x
  3. Step 3: Cross multiply
    38,930.93x = 58,414.87 × 20,201.00
  4. Step 4: Simplify right side
    38,930.93x = 1,180,038,522.05
  5. Step 5: Solve for x
    x = 1,180,038,522.05/38,930.93
  6. Step 6: Final answer
    x = 30,311.08

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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.