Home / 51,913.44-71,640.59-28,040.11

Finding the Fourth Proportional to 51,913.44, 71,640.59 and 28,040.11

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Solution

The fourth proportional to 51,913.44, 71,640.59 and 28,040.11 is: 38,695.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,913.44 : 71,640.59 = 28,040.11 : x
  2. Step 2: Convert to fraction form
    51,913.44/71,640.59 = 28,040.11/x
  3. Step 3: Cross multiply
    51,913.44x = 71,640.59 × 28,040.11
  4. Step 4: Simplify right side
    51,913.44x = 2,008,809,704.76
  5. Step 5: Solve for x
    x = 2,008,809,704.76/51,913.44
  6. Step 6: Final answer
    x = 38,695.37

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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.