Home / 39,977.52-59,966.56-13,682.48

Finding the Fourth Proportional to 39,977.52, 59,966.56 and 13,682.48

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Solution

The fourth proportional to 39,977.52, 59,966.56 and 13,682.48 is: 20,523.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,977.52 : 59,966.56 = 13,682.48 : x
  2. Step 2: Convert to fraction form
    39,977.52/59,966.56 = 13,682.48/x
  3. Step 3: Cross multiply
    39,977.52x = 59,966.56 × 13,682.48
  4. Step 4: Simplify right side
    39,977.52x = 820,491,257.87
  5. Step 5: Solve for x
    x = 820,491,257.87/39,977.52
  6. Step 6: Final answer
    x = 20,523.82

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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.