Home / 57,834.88-79,811.48-31,338.88

Finding the Fourth Proportional to 57,834.88, 79,811.48 and 31,338.88

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Solution

The fourth proportional to 57,834.88, 79,811.48 and 31,338.88 is: 43,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,834.88 : 79,811.48 = 31,338.88 : x
  2. Step 2: Convert to fraction form
    57,834.88/79,811.48 = 31,338.88/x
  3. Step 3: Cross multiply
    57,834.88x = 79,811.48 × 31,338.88
  4. Step 4: Simplify right side
    57,834.88x = 2,501,202,394.34
  5. Step 5: Solve for x
    x = 2,501,202,394.34/57,834.88
  6. Step 6: Final answer
    x = 43,247.30

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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.