Home / 31,211.30-46,821.93-10,149.71

Finding the Fourth Proportional to 31,211.30, 46,821.93 and 10,149.71

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Solution

The fourth proportional to 31,211.30, 46,821.93 and 10,149.71 is: 15,226.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211.30 : 46,821.93 = 10,149.71 : x
  2. Step 2: Convert to fraction form
    31,211.30/46,821.93 = 10,149.71/x
  3. Step 3: Cross multiply
    31,211.30x = 46,821.93 × 10,149.71
  4. Step 4: Simplify right side
    31,211.30x = 475,228,777.03
  5. Step 5: Solve for x
    x = 475,228,777.03/31,211.30
  6. Step 6: Final answer
    x = 15,226.18

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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.