Home / 43,833.72-65,775.69-18,531.21

Finding the Fourth Proportional to 43,833.72, 65,775.69 and 18,531.21

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Solution

The fourth proportional to 43,833.72, 65,775.69 and 18,531.21 is: 27,807.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,833.72 : 65,775.69 = 18,531.21 : x
  2. Step 2: Convert to fraction form
    43,833.72/65,775.69 = 18,531.21/x
  3. Step 3: Cross multiply
    43,833.72x = 65,775.69 × 18,531.21
  4. Step 4: Simplify right side
    43,833.72x = 1,218,903,124.28
  5. Step 5: Solve for x
    x = 1,218,903,124.28/43,833.72
  6. Step 6: Final answer
    x = 27,807.43

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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.