Home / 45,456.12-68,195.07-14,291.37

Finding the Fourth Proportional to 45,456.12, 68,195.07 and 14,291.37

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Solution

The fourth proportional to 45,456.12, 68,195.07 and 14,291.37 is: 21,440.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,456.12 : 68,195.07 = 14,291.37 : x
  2. Step 2: Convert to fraction form
    45,456.12/68,195.07 = 14,291.37/x
  3. Step 3: Cross multiply
    45,456.12x = 68,195.07 × 14,291.37
  4. Step 4: Simplify right side
    45,456.12x = 974,600,977.55
  5. Step 5: Solve for x
    x = 974,600,977.55/45,456.12
  6. Step 6: Final answer
    x = 21,440.48

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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.