Home / 31,297.71-46,922.19-15,491.83

Finding the Fourth Proportional to 31,297.71, 46,922.19 and 15,491.83

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Solution

The fourth proportional to 31,297.71, 46,922.19 and 15,491.83 is: 23,225.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,297.71 : 46,922.19 = 15,491.83 : x
  2. Step 2: Convert to fraction form
    31,297.71/46,922.19 = 15,491.83/x
  3. Step 3: Cross multiply
    31,297.71x = 46,922.19 × 15,491.83
  4. Step 4: Simplify right side
    31,297.71x = 726,910,590.71
  5. Step 5: Solve for x
    x = 726,910,590.71/31,297.71
  6. Step 6: Final answer
    x = 23,225.68

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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.