Home / 57,032.85-78,698.43-31,537.47

Finding the Fourth Proportional to 57,032.85, 78,698.43 and 31,537.47

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Solution

The fourth proportional to 57,032.85, 78,698.43 and 31,537.47 is: 43,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,032.85 : 78,698.43 = 31,537.47 : x
  2. Step 2: Convert to fraction form
    57,032.85/78,698.43 = 31,537.47/x
  3. Step 3: Cross multiply
    57,032.85x = 78,698.43 × 31,537.47
  4. Step 4: Simplify right side
    57,032.85x = 2,481,949,375.17
  5. Step 5: Solve for x
    x = 2,481,949,375.17/57,032.85
  6. Step 6: Final answer
    x = 43,517.89

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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.