Home / 46,040.87-68,929.18-28,391.78

Finding the Fourth Proportional to 46,040.87, 68,929.18 and 28,391.78

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Solution

The fourth proportional to 46,040.87, 68,929.18 and 28,391.78 is: 42,506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,040.87 : 68,929.18 = 28,391.78 : x
  2. Step 2: Convert to fraction form
    46,040.87/68,929.18 = 28,391.78/x
  3. Step 3: Cross multiply
    46,040.87x = 68,929.18 × 28,391.78
  4. Step 4: Simplify right side
    46,040.87x = 1,957,022,215.48
  5. Step 5: Solve for x
    x = 1,957,022,215.48/46,040.87
  6. Step 6: Final answer
    x = 42,506.19

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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.