Home / 57,104.88-78,806.84-31,265.24

Finding the Fourth Proportional to 57,104.88, 78,806.84 and 31,265.24

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Solution

The fourth proportional to 57,104.88, 78,806.84 and 31,265.24 is: 43,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,104.88 : 78,806.84 = 31,265.24 : x
  2. Step 2: Convert to fraction form
    57,104.88/78,806.84 = 31,265.24/x
  3. Step 3: Cross multiply
    57,104.88x = 78,806.84 × 31,265.24
  4. Step 4: Simplify right side
    57,104.88x = 2,463,914,215.88
  5. Step 5: Solve for x
    x = 2,463,914,215.88/57,104.88
  6. Step 6: Final answer
    x = 43,147.17

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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.