Home / 51,947.89-71,690.19-29,287.73

Finding the Fourth Proportional to 51,947.89, 71,690.19 and 29,287.73

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Solution

The fourth proportional to 51,947.89, 71,690.19 and 29,287.73 is: 40,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,947.89 : 71,690.19 = 29,287.73 : x
  2. Step 2: Convert to fraction form
    51,947.89/71,690.19 = 29,287.73/x
  3. Step 3: Cross multiply
    51,947.89x = 71,690.19 × 29,287.73
  4. Step 4: Simplify right side
    51,947.89x = 2,099,642,928.37
  5. Step 5: Solve for x
    x = 2,099,642,928.37/51,947.89
  6. Step 6: Final answer
    x = 40,418.25

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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.