Home / 51,293.76-70,791.48-31,153.92

Finding the Fourth Proportional to 51,293.76, 70,791.48 and 31,153.92

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Solution

The fourth proportional to 51,293.76, 70,791.48 and 31,153.92 is: 42,996.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,293.76 : 70,791.48 = 31,153.92 : x
  2. Step 2: Convert to fraction form
    51,293.76/70,791.48 = 31,153.92/x
  3. Step 3: Cross multiply
    51,293.76x = 70,791.48 × 31,153.92
  4. Step 4: Simplify right side
    51,293.76x = 2,205,432,104.60
  5. Step 5: Solve for x
    x = 2,205,432,104.60/51,293.76
  6. Step 6: Final answer
    x = 42,996.11

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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.