Home / 55,268.26-82,912.43-31,602.49

Finding the Fourth Proportional to 55,268.26, 82,912.43 and 31,602.49

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Solution

The fourth proportional to 55,268.26, 82,912.43 and 31,602.49 is: 47,409.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,268.26 : 82,912.43 = 31,602.49 : x
  2. Step 2: Convert to fraction form
    55,268.26/82,912.43 = 31,602.49/x
  3. Step 3: Cross multiply
    55,268.26x = 82,912.43 × 31,602.49
  4. Step 4: Simplify right side
    55,268.26x = 2,620,239,111.68
  5. Step 5: Solve for x
    x = 2,620,239,111.68/55,268.26
  6. Step 6: Final answer
    x = 47,409.48

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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.