Home / 54,831.04-82,247.04-13,278.08

Finding the Fourth Proportional to 54,831.04, 82,247.04 and 13,278.08

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Solution

The fourth proportional to 54,831.04, 82,247.04 and 13,278.08 is: 19,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,831.04 : 82,247.04 = 13,278.08 : x
  2. Step 2: Convert to fraction form
    54,831.04/82,247.04 = 13,278.08/x
  3. Step 3: Cross multiply
    54,831.04x = 82,247.04 × 13,278.08
  4. Step 4: Simplify right side
    54,831.04x = 1,092,082,776.88
  5. Step 5: Solve for x
    x = 1,092,082,776.88/54,831.04
  6. Step 6: Final answer
    x = 19,917.24

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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.