Home / 45,591.26-68,390.34-12,310.83

Finding the Fourth Proportional to 45,591.26, 68,390.34 and 12,310.83

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Solution

The fourth proportional to 45,591.26, 68,390.34 and 12,310.83 is: 18,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,591.26 : 68,390.34 = 12,310.83 : x
  2. Step 2: Convert to fraction form
    45,591.26/68,390.34 = 12,310.83/x
  3. Step 3: Cross multiply
    45,591.26x = 68,390.34 × 12,310.83
  4. Step 4: Simplify right side
    45,591.26x = 841,941,849.38
  5. Step 5: Solve for x
    x = 841,941,849.38/45,591.26
  6. Step 6: Final answer
    x = 18,467.18

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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.