Home / 45,373.11-68,059.43-11,638.98

Finding the Fourth Proportional to 45,373.11, 68,059.43 and 11,638.98

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Solution

The fourth proportional to 45,373.11, 68,059.43 and 11,638.98 is: 17,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,373.11 : 68,059.43 = 11,638.98 : x
  2. Step 2: Convert to fraction form
    45,373.11/68,059.43 = 11,638.98/x
  3. Step 3: Cross multiply
    45,373.11x = 68,059.43 × 11,638.98
  4. Step 4: Simplify right side
    45,373.11x = 792,142,286.39
  5. Step 5: Solve for x
    x = 792,142,286.39/45,373.11
  6. Step 6: Final answer
    x = 17,458.41

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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.