Home / 46,299.20-63,890.78-28,391.31

Finding the Fourth Proportional to 46,299.20, 63,890.78 and 28,391.31

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Solution

The fourth proportional to 46,299.20, 63,890.78 and 28,391.31 is: 39,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,299.20 : 63,890.78 = 28,391.31 : x
  2. Step 2: Convert to fraction form
    46,299.20/63,890.78 = 28,391.31/x
  3. Step 3: Cross multiply
    46,299.20x = 63,890.78 × 28,391.31
  4. Step 4: Simplify right side
    46,299.20x = 1,813,942,799.17
  5. Step 5: Solve for x
    x = 1,813,942,799.17/46,299.20
  6. Step 6: Final answer
    x = 39,178.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.