Home / 51,989.22-71,745.27-28,116.06

Finding the Fourth Proportional to 51,989.22, 71,745.27 and 28,116.06

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Solution

The fourth proportional to 51,989.22, 71,745.27 and 28,116.06 is: 38,800.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,989.22 : 71,745.27 = 28,116.06 : x
  2. Step 2: Convert to fraction form
    51,989.22/71,745.27 = 28,116.06/x
  3. Step 3: Cross multiply
    51,989.22x = 71,745.27 × 28,116.06
  4. Step 4: Simplify right side
    51,989.22x = 2,017,194,316.04
  5. Step 5: Solve for x
    x = 2,017,194,316.04/51,989.22
  6. Step 6: Final answer
    x = 38,800.24

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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.