Home / 56,375.30-84,565.01-18,936.61

Finding the Fourth Proportional to 56,375.30, 84,565.01 and 18,936.61

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Solution

The fourth proportional to 56,375.30, 84,565.01 and 18,936.61 is: 28,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,375.30 : 84,565.01 = 18,936.61 : x
  2. Step 2: Convert to fraction form
    56,375.30/84,565.01 = 18,936.61/x
  3. Step 3: Cross multiply
    56,375.30x = 84,565.01 × 18,936.61
  4. Step 4: Simplify right side
    56,375.30x = 1,601,374,449.95
  5. Step 5: Solve for x
    x = 1,601,374,449.95/56,375.30
  6. Step 6: Final answer
    x = 28,405.60

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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.