Home / 51,764.58-71,432.82-31,655.16

Finding the Fourth Proportional to 51,764.58, 71,432.82 and 31,655.16

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Solution

The fourth proportional to 51,764.58, 71,432.82 and 31,655.16 is: 43,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,764.58 : 71,432.82 = 31,655.16 : x
  2. Step 2: Convert to fraction form
    51,764.58/71,432.82 = 31,655.16/x
  3. Step 3: Cross multiply
    51,764.58x = 71,432.82 × 31,655.16
  4. Step 4: Simplify right side
    51,764.58x = 2,261,217,346.35
  5. Step 5: Solve for x
    x = 2,261,217,346.35/51,764.58
  6. Step 6: Final answer
    x = 43,682.71

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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.