Home / 55,527.76-83,324.22-20,491.84

Finding the Fourth Proportional to 55,527.76, 83,324.22 and 20,491.84

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Solution

The fourth proportional to 55,527.76, 83,324.22 and 20,491.84 is: 30,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,527.76 : 83,324.22 = 20,491.84 : x
  2. Step 2: Convert to fraction form
    55,527.76/83,324.22 = 20,491.84/x
  3. Step 3: Cross multiply
    55,527.76x = 83,324.22 × 20,491.84
  4. Step 4: Simplify right side
    55,527.76x = 1,707,466,584.36
  5. Step 5: Solve for x
    x = 1,707,466,584.36/55,527.76
  6. Step 6: Final answer
    x = 30,749.78

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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.