Home / 30,815.66-46,216.74-15,013.91

Finding the Fourth Proportional to 30,815.66, 46,216.74 and 15,013.91

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Solution

The fourth proportional to 30,815.66, 46,216.74 and 15,013.91 is: 22,517.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,815.66 : 46,216.74 = 15,013.91 : x
  2. Step 2: Convert to fraction form
    30,815.66/46,216.74 = 15,013.91/x
  3. Step 3: Cross multiply
    30,815.66x = 46,216.74 × 15,013.91
  4. Step 4: Simplify right side
    30,815.66x = 693,893,974.85
  5. Step 5: Solve for x
    x = 693,893,974.85/30,815.66
  6. Step 6: Final answer
    x = 22,517.58

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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.