Home / 56,872.67-85,194.79-28,323.61

Finding the Fourth Proportional to 56,872.67, 85,194.79 and 28,323.61

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Solution

The fourth proportional to 56,872.67, 85,194.79 and 28,323.61 is: 42,428.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,872.67 : 85,194.79 = 28,323.61 : x
  2. Step 2: Convert to fraction form
    56,872.67/85,194.79 = 28,323.61/x
  3. Step 3: Cross multiply
    56,872.67x = 85,194.79 × 28,323.61
  4. Step 4: Simplify right side
    56,872.67x = 2,413,023,722.20
  5. Step 5: Solve for x
    x = 2,413,023,722.20/56,872.67
  6. Step 6: Final answer
    x = 42,428.53

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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.