Home / 51,588.86-71,207.39-30,380.43

Finding the Fourth Proportional to 51,588.86, 71,207.39 and 30,380.43

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Solution

The fourth proportional to 51,588.86, 71,207.39 and 30,380.43 is: 41,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,588.86 : 71,207.39 = 30,380.43 : x
  2. Step 2: Convert to fraction form
    51,588.86/71,207.39 = 30,380.43/x
  3. Step 3: Cross multiply
    51,588.86x = 71,207.39 × 30,380.43
  4. Step 4: Simplify right side
    51,588.86x = 2,163,311,203.33
  5. Step 5: Solve for x
    x = 2,163,311,203.33/51,588.86
  6. Step 6: Final answer
    x = 41,933.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.