Home / 51,987.24-71,742.42-28,114.11

Finding the Fourth Proportional to 51,987.24, 71,742.42 and 28,114.11

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Solution

The fourth proportional to 51,987.24, 71,742.42 and 28,114.11 is: 38,797.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,987.24 : 71,742.42 = 28,114.11 : x
  2. Step 2: Convert to fraction form
    51,987.24/71,742.42 = 28,114.11/x
  3. Step 3: Cross multiply
    51,987.24x = 71,742.42 × 28,114.11
  4. Step 4: Simplify right side
    51,987.24x = 2,016,974,287.55
  5. Step 5: Solve for x
    x = 2,016,974,287.55/51,987.24
  6. Step 6: Final answer
    x = 38,797.49

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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.