Home / 51,987.29-71,742.24-28,113.95

Finding the Fourth Proportional to 51,987.29, 71,742.24 and 28,113.95

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Solution

The fourth proportional to 51,987.29, 71,742.24 and 28,113.95 is: 38,797.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,987.29 : 71,742.24 = 28,113.95 : x
  2. Step 2: Convert to fraction form
    51,987.29/71,742.24 = 28,113.95/x
  3. Step 3: Cross multiply
    51,987.29x = 71,742.24 × 28,113.95
  4. Step 4: Simplify right side
    51,987.29x = 2,016,957,927.60
  5. Step 5: Solve for x
    x = 2,016,957,927.60/51,987.29
  6. Step 6: Final answer
    x = 38,797.14

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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.