Home / 53,905.26-74,391.36-31,243.88

Finding the Fourth Proportional to 53,905.26, 74,391.36 and 31,243.88

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Solution

The fourth proportional to 53,905.26, 74,391.36 and 31,243.88 is: 43,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,905.26 : 74,391.36 = 31,243.88 : x
  2. Step 2: Convert to fraction form
    53,905.26/74,391.36 = 31,243.88/x
  3. Step 3: Cross multiply
    53,905.26x = 74,391.36 × 31,243.88
  4. Step 4: Simplify right side
    53,905.26x = 2,324,274,724.88
  5. Step 5: Solve for x
    x = 2,324,274,724.88/53,905.26
  6. Step 6: Final answer
    x = 43,117.77

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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.