Home / 57,699.24-79,621.05-33,170.82

Finding the Fourth Proportional to 57,699.24, 79,621.05 and 33,170.82

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Solution

The fourth proportional to 57,699.24, 79,621.05 and 33,170.82 is: 45,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,699.24 : 79,621.05 = 33,170.82 : x
  2. Step 2: Convert to fraction form
    57,699.24/79,621.05 = 33,170.82/x
  3. Step 3: Cross multiply
    57,699.24x = 79,621.05 × 33,170.82
  4. Step 4: Simplify right side
    57,699.24x = 2,641,095,517.76
  5. Step 5: Solve for x
    x = 2,641,095,517.76/57,699.24
  6. Step 6: Final answer
    x = 45,773.49

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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.