Home / 31,223.89-43,048.29-22,727.40

Finding the Fourth Proportional to 31,223.89, 43,048.29 and 22,727.40

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Solution

The fourth proportional to 31,223.89, 43,048.29 and 22,727.40 is: 31,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,223.89 : 43,048.29 = 22,727.40 : x
  2. Step 2: Convert to fraction form
    31,223.89/43,048.29 = 22,727.40/x
  3. Step 3: Cross multiply
    31,223.89x = 43,048.29 × 22,727.40
  4. Step 4: Simplify right side
    31,223.89x = 978,375,706.15
  5. Step 5: Solve for x
    x = 978,375,706.15/31,223.89
  6. Step 6: Final answer
    x = 31,334.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.