Home / 31,109.40-46,657.14-8,922.66

Finding the Fourth Proportional to 31,109.40, 46,657.14 and 8,922.66

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Solution

The fourth proportional to 31,109.40, 46,657.14 and 8,922.66 is: 13,381.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,109.40 : 46,657.14 = 8,922.66 : x
  2. Step 2: Convert to fraction form
    31,109.40/46,657.14 = 8,922.66/x
  3. Step 3: Cross multiply
    31,109.40x = 46,657.14 × 8,922.66
  4. Step 4: Simplify right side
    31,109.40x = 416,305,796.79
  5. Step 5: Solve for x
    x = 416,305,796.79/31,109.40
  6. Step 6: Final answer
    x = 13,381.99

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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.