Home / 45,337.80-68,006.60-12,057.86

Finding the Fourth Proportional to 45,337.80, 68,006.60 and 12,057.86

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Solution

The fourth proportional to 45,337.80, 68,006.60 and 12,057.86 is: 18,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,337.80 : 68,006.60 = 12,057.86 : x
  2. Step 2: Convert to fraction form
    45,337.80/68,006.60 = 12,057.86/x
  3. Step 3: Cross multiply
    45,337.80x = 68,006.60 × 12,057.86
  4. Step 4: Simplify right side
    45,337.80x = 820,014,061.88
  5. Step 5: Solve for x
    x = 820,014,061.88/45,337.80
  6. Step 6: Final answer
    x = 18,086.76

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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.