Home / 103,037.41-154,578.30-31,958.65

Finding the Fourth Proportional to 103,037.41, 154,578.30 and 31,958.65

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Solution

The fourth proportional to 103,037.41, 154,578.30 and 31,958.65 is: 47,944.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,037.41 : 154,578.30 = 31,958.65 : x
  2. Step 2: Convert to fraction form
    103,037.41/154,578.30 = 31,958.65/x
  3. Step 3: Cross multiply
    103,037.41x = 154,578.30 × 31,958.65
  4. Step 4: Simplify right side
    103,037.41x = 4,940,113,787.30
  5. Step 5: Solve for x
    x = 4,940,113,787.30/103,037.41
  6. Step 6: Final answer
    x = 47,944.86

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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.