Home / 31,223.81-46,813.80-11,499.83

Finding the Fourth Proportional to 31,223.81, 46,813.80 and 11,499.83

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Solution

The fourth proportional to 31,223.81, 46,813.80 and 11,499.83 is: 17,241.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,223.81 : 46,813.80 = 11,499.83 : x
  2. Step 2: Convert to fraction form
    31,223.81/46,813.80 = 11,499.83/x
  3. Step 3: Cross multiply
    31,223.81x = 46,813.80 × 11,499.83
  4. Step 4: Simplify right side
    31,223.81x = 538,350,989.59
  5. Step 5: Solve for x
    x = 538,350,989.59/31,223.81
  6. Step 6: Final answer
    x = 17,241.68

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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.