Home / 55,214.13-82,819.36-17,776.33

Finding the Fourth Proportional to 55,214.13, 82,819.36 and 17,776.33

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Solution

The fourth proportional to 55,214.13, 82,819.36 and 17,776.33 is: 26,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,214.13 : 82,819.36 = 17,776.33 : x
  2. Step 2: Convert to fraction form
    55,214.13/82,819.36 = 17,776.33/x
  3. Step 3: Cross multiply
    55,214.13x = 82,819.36 × 17,776.33
  4. Step 4: Simplify right side
    55,214.13x = 1,472,224,273.75
  5. Step 5: Solve for x
    x = 1,472,224,273.75/55,214.13
  6. Step 6: Final answer
    x = 26,663.90

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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.