Home / 55,102.28-82,604.91-21,845.69

Finding the Fourth Proportional to 55,102.28, 82,604.91 and 21,845.69

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Solution

The fourth proportional to 55,102.28, 82,604.91 and 21,845.69 is: 32,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,102.28 : 82,604.91 = 21,845.69 : x
  2. Step 2: Convert to fraction form
    55,102.28/82,604.91 = 21,845.69/x
  3. Step 3: Cross multiply
    55,102.28x = 82,604.91 × 21,845.69
  4. Step 4: Simplify right side
    55,102.28x = 1,804,561,256.34
  5. Step 5: Solve for x
    x = 1,804,561,256.34/55,102.28
  6. Step 6: Final answer
    x = 32,749.30

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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.