Home / 55,021.96-82,532-17,581.76

Finding the Fourth Proportional to 55,021.96, 82,532 and 17,581.76

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Solution

The fourth proportional to 55,021.96, 82,532 and 17,581.76 is: 26,372.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,021.96 : 82,532 = 17,581.76 : x
  2. Step 2: Convert to fraction form
    55,021.96/82,532 = 17,581.76/x
  3. Step 3: Cross multiply
    55,021.96x = 82,532 × 17,581.76
  4. Step 4: Simplify right side
    55,021.96x = 1,451,057,816.32
  5. Step 5: Solve for x
    x = 1,451,057,816.32/55,021.96
  6. Step 6: Final answer
    x = 26,372.34

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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.