Home / 62,205.16-85,856.96-39,539.72

Finding the Fourth Proportional to 62,205.16, 85,856.96 and 39,539.72

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Solution

The fourth proportional to 62,205.16, 85,856.96 and 39,539.72 is: 54,573.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,205.16 : 85,856.96 = 39,539.72 : x
  2. Step 2: Convert to fraction form
    62,205.16/85,856.96 = 39,539.72/x
  3. Step 3: Cross multiply
    62,205.16x = 85,856.96 × 39,539.72
  4. Step 4: Simplify right side
    62,205.16x = 3,394,760,158.45
  5. Step 5: Solve for x
    x = 3,394,760,158.45/62,205.16
  6. Step 6: Final answer
    x = 54,573.61

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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.