Home / 54,313.30-81,410.55-19,234.90

Finding the Fourth Proportional to 54,313.30, 81,410.55 and 19,234.90

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Solution

The fourth proportional to 54,313.30, 81,410.55 and 19,234.90 is: 28,831.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,313.30 : 81,410.55 = 19,234.90 : x
  2. Step 2: Convert to fraction form
    54,313.30/81,410.55 = 19,234.90/x
  3. Step 3: Cross multiply
    54,313.30x = 81,410.55 × 19,234.90
  4. Step 4: Simplify right side
    54,313.30x = 1,565,923,788.20
  5. Step 5: Solve for x
    x = 1,565,923,788.20/54,313.30
  6. Step 6: Final answer
    x = 28,831.31

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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.