Home / 37,963.89-56,940-12,663.86

Finding the Fourth Proportional to 37,963.89, 56,940 and 12,663.86

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Solution

The fourth proportional to 37,963.89, 56,940 and 12,663.86 is: 18,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,963.89 : 56,940 = 12,663.86 : x
  2. Step 2: Convert to fraction form
    37,963.89/56,940 = 12,663.86/x
  3. Step 3: Cross multiply
    37,963.89x = 56,940 × 12,663.86
  4. Step 4: Simplify right side
    37,963.89x = 721,079,903.70
  5. Step 5: Solve for x
    x = 721,079,903.70/37,963.89
  6. Step 6: Final answer
    x = 18,993.84

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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.