Home / 54,021.75-81,029.54-16,581.76

Finding the Fourth Proportional to 54,021.75, 81,029.54 and 16,581.76

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Solution

The fourth proportional to 54,021.75, 81,029.54 and 16,581.76 is: 24,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,021.75 : 81,029.54 = 16,581.76 : x
  2. Step 2: Convert to fraction form
    54,021.75/81,029.54 = 16,581.76/x
  3. Step 3: Cross multiply
    54,021.75x = 81,029.54 × 16,581.76
  4. Step 4: Simplify right side
    54,021.75x = 1,343,612,224.07
  5. Step 5: Solve for x
    x = 1,343,612,224.07/54,021.75
  6. Step 6: Final answer
    x = 24,871.69

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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.