Home / 54,565.93-81,831.48-21,277.90

Finding the Fourth Proportional to 54,565.93, 81,831.48 and 21,277.90

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Solution

The fourth proportional to 54,565.93, 81,831.48 and 21,277.90 is: 31,910.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,565.93 : 81,831.48 = 21,277.90 : x
  2. Step 2: Convert to fraction form
    54,565.93/81,831.48 = 21,277.90/x
  3. Step 3: Cross multiply
    54,565.93x = 81,831.48 × 21,277.90
  4. Step 4: Simplify right side
    54,565.93x = 1,741,202,048.29
  5. Step 5: Solve for x
    x = 1,741,202,048.29/54,565.93
  6. Step 6: Final answer
    x = 31,910.06

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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.