Home / 43,687.44-65,531.22-18,725.53

Finding the Fourth Proportional to 43,687.44, 65,531.22 and 18,725.53

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Solution

The fourth proportional to 43,687.44, 65,531.22 and 18,725.53 is: 28,088.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,687.44 : 65,531.22 = 18,725.53 : x
  2. Step 2: Convert to fraction form
    43,687.44/65,531.22 = 18,725.53/x
  3. Step 3: Cross multiply
    43,687.44x = 65,531.22 × 18,725.53
  4. Step 4: Simplify right side
    43,687.44x = 1,227,106,826.05
  5. Step 5: Solve for x
    x = 1,227,106,826.05/43,687.44
  6. Step 6: Final answer
    x = 28,088.32

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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.