Home / 51,789.18-71,428.58-33,645.75

Finding the Fourth Proportional to 51,789.18, 71,428.58 and 33,645.75

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Solution

The fourth proportional to 51,789.18, 71,428.58 and 33,645.75 is: 46,404.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,789.18 : 71,428.58 = 33,645.75 : x
  2. Step 2: Convert to fraction form
    51,789.18/71,428.58 = 33,645.75/x
  3. Step 3: Cross multiply
    51,789.18x = 71,428.58 × 33,645.75
  4. Step 4: Simplify right side
    51,789.18x = 2,403,267,977.31
  5. Step 5: Solve for x
    x = 2,403,267,977.31/51,789.18
  6. Step 6: Final answer
    x = 46,404.83

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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.