Home / 43,685.68-65,531.94-15,611.80

Finding the Fourth Proportional to 43,685.68, 65,531.94 and 15,611.80

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Solution

The fourth proportional to 43,685.68, 65,531.94 and 15,611.80 is: 23,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,685.68 : 65,531.94 = 15,611.80 : x
  2. Step 2: Convert to fraction form
    43,685.68/65,531.94 = 15,611.80/x
  3. Step 3: Cross multiply
    43,685.68x = 65,531.94 × 15,611.80
  4. Step 4: Simplify right side
    43,685.68x = 1,023,071,540.89
  5. Step 5: Solve for x
    x = 1,023,071,540.89/43,685.68
  6. Step 6: Final answer
    x = 23,418.92

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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.