Home / 57,438.33-79,255.23-31,941.36

Finding the Fourth Proportional to 57,438.33, 79,255.23 and 31,941.36

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Solution

The fourth proportional to 57,438.33, 79,255.23 and 31,941.36 is: 44,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,438.33 : 79,255.23 = 31,941.36 : x
  2. Step 2: Convert to fraction form
    57,438.33/79,255.23 = 31,941.36/x
  3. Step 3: Cross multiply
    57,438.33x = 79,255.23 × 31,941.36
  4. Step 4: Simplify right side
    57,438.33x = 2,531,519,833.31
  5. Step 5: Solve for x
    x = 2,531,519,833.31/57,438.33
  6. Step 6: Final answer
    x = 44,073.70

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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.