Home / 51,987.88-71,740.38-29,330.56

Finding the Fourth Proportional to 51,987.88, 71,740.38 and 29,330.56

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Solution

The fourth proportional to 51,987.88, 71,740.38 and 29,330.56 is: 40,474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,987.88 : 71,740.38 = 29,330.56 : x
  2. Step 2: Convert to fraction form
    51,987.88/71,740.38 = 29,330.56/x
  3. Step 3: Cross multiply
    51,987.88x = 71,740.38 × 29,330.56
  4. Step 4: Simplify right side
    51,987.88x = 2,104,185,520.01
  5. Step 5: Solve for x
    x = 2,104,185,520.01/51,987.88
  6. Step 6: Final answer
    x = 40,474.54

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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.