Home / 57,265.36-85,947.64-39,747.52

Finding the Fourth Proportional to 57,265.36, 85,947.64 and 39,747.52

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Solution

The fourth proportional to 57,265.36, 85,947.64 and 39,747.52 is: 59,655.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,265.36 : 85,947.64 = 39,747.52 : x
  2. Step 2: Convert to fraction form
    57,265.36/85,947.64 = 39,747.52/x
  3. Step 3: Cross multiply
    57,265.36x = 85,947.64 × 39,747.52
  4. Step 4: Simplify right side
    57,265.36x = 3,416,205,539.85
  5. Step 5: Solve for x
    x = 3,416,205,539.85/57,265.36
  6. Step 6: Final answer
    x = 59,655.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.