Home / 50,989.30-76,454.25-19,788.10

Finding the Fourth Proportional to 50,989.30, 76,454.25 and 19,788.10

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Solution

The fourth proportional to 50,989.30, 76,454.25 and 19,788.10 is: 29,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,989.30 : 76,454.25 = 19,788.10 : x
  2. Step 2: Convert to fraction form
    50,989.30/76,454.25 = 19,788.10/x
  3. Step 3: Cross multiply
    50,989.30x = 76,454.25 × 19,788.10
  4. Step 4: Simplify right side
    50,989.30x = 1,512,884,344.43
  5. Step 5: Solve for x
    x = 1,512,884,344.43/50,989.30
  6. Step 6: Final answer
    x = 29,670.62

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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.