Home / 34,468.74-51,689.68-13,405.97

Finding the Fourth Proportional to 34,468.74, 51,689.68 and 13,405.97

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Solution

The fourth proportional to 34,468.74, 51,689.68 and 13,405.97 is: 20,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,468.74 : 51,689.68 = 13,405.97 : x
  2. Step 2: Convert to fraction form
    34,468.74/51,689.68 = 13,405.97/x
  3. Step 3: Cross multiply
    34,468.74x = 51,689.68 × 13,405.97
  4. Step 4: Simplify right side
    34,468.74x = 692,950,395.10
  5. Step 5: Solve for x
    x = 692,950,395.10/34,468.74
  6. Step 6: Final answer
    x = 20,103.73

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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.