Home / 55,243.08-82,831.86-21,945.24

Finding the Fourth Proportional to 55,243.08, 82,831.86 and 21,945.24

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Solution

The fourth proportional to 55,243.08, 82,831.86 and 21,945.24 is: 32,904.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,243.08 : 82,831.86 = 21,945.24 : x
  2. Step 2: Convert to fraction form
    55,243.08/82,831.86 = 21,945.24/x
  3. Step 3: Cross multiply
    55,243.08x = 82,831.86 × 21,945.24
  4. Step 4: Simplify right side
    55,243.08x = 1,817,765,047.35
  5. Step 5: Solve for x
    x = 1,817,765,047.35/55,243.08
  6. Step 6: Final answer
    x = 32,904.85

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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.