Home / 56,765.72-78,336.26-32,891.88

Finding the Fourth Proportional to 56,765.72, 78,336.26 and 32,891.88

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Solution

The fourth proportional to 56,765.72, 78,336.26 and 32,891.88 is: 45,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,765.72 : 78,336.26 = 32,891.88 : x
  2. Step 2: Convert to fraction form
    56,765.72/78,336.26 = 32,891.88/x
  3. Step 3: Cross multiply
    56,765.72x = 78,336.26 × 32,891.88
  4. Step 4: Simplify right side
    56,765.72x = 2,576,626,863.57
  5. Step 5: Solve for x
    x = 2,576,626,863.57/56,765.72
  6. Step 6: Final answer
    x = 45,390.54

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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.