Home / 51,805.56-71,490.96-29,142.84

Finding the Fourth Proportional to 51,805.56, 71,490.96 and 29,142.84

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Solution

The fourth proportional to 51,805.56, 71,490.96 and 29,142.84 is: 40,216.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,805.56 : 71,490.96 = 29,142.84 : x
  2. Step 2: Convert to fraction form
    51,805.56/71,490.96 = 29,142.84/x
  3. Step 3: Cross multiply
    51,805.56x = 71,490.96 × 29,142.84
  4. Step 4: Simplify right side
    51,805.56x = 2,083,449,608.73
  5. Step 5: Solve for x
    x = 2,083,449,608.73/51,805.56
  6. Step 6: Final answer
    x = 40,216.72

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1.5x scale

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.