Home / 57,004.26-78,665.48-31,853.76

Finding the Fourth Proportional to 57,004.26, 78,665.48 and 31,853.76

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Solution

The fourth proportional to 57,004.26, 78,665.48 and 31,853.76 is: 43,957.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,004.26 : 78,665.48 = 31,853.76 : x
  2. Step 2: Convert to fraction form
    57,004.26/78,665.48 = 31,853.76/x
  3. Step 3: Cross multiply
    57,004.26x = 78,665.48 × 31,853.76
  4. Step 4: Simplify right side
    57,004.26x = 2,505,790,985.39
  5. Step 5: Solve for x
    x = 2,505,790,985.39/57,004.26
  6. Step 6: Final answer
    x = 43,957.96

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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.