Home / 53,912.36-74,393.14-31,251.80

Finding the Fourth Proportional to 53,912.36, 74,393.14 and 31,251.80

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Solution

The fourth proportional to 53,912.36, 74,393.14 and 31,251.80 is: 43,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,912.36 : 74,393.14 = 31,251.80 : x
  2. Step 2: Convert to fraction form
    53,912.36/74,393.14 = 31,251.80/x
  3. Step 3: Cross multiply
    53,912.36x = 74,393.14 × 31,251.80
  4. Step 4: Simplify right side
    53,912.36x = 2,324,919,532.65
  5. Step 5: Solve for x
    x = 2,324,919,532.65/53,912.36
  6. Step 6: Final answer
    x = 43,124.05

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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.