Home / 51,559.44-71,155.06-28,905.86

Finding the Fourth Proportional to 51,559.44, 71,155.06 and 28,905.86

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Solution

The fourth proportional to 51,559.44, 71,155.06 and 28,905.86 is: 39,891.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,559.44 : 71,155.06 = 28,905.86 : x
  2. Step 2: Convert to fraction form
    51,559.44/71,155.06 = 28,905.86/x
  3. Step 3: Cross multiply
    51,559.44x = 71,155.06 × 28,905.86
  4. Step 4: Simplify right side
    51,559.44x = 2,056,798,308.27
  5. Step 5: Solve for x
    x = 2,056,798,308.27/51,559.44
  6. Step 6: Final answer
    x = 39,891.79

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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.