Home / 51,680.80-77,512.32-14,232.54

Finding the Fourth Proportional to 51,680.80, 77,512.32 and 14,232.54

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Solution

The fourth proportional to 51,680.80, 77,512.32 and 14,232.54 is: 21,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,680.80 : 77,512.32 = 14,232.54 : x
  2. Step 2: Convert to fraction form
    51,680.80/77,512.32 = 14,232.54/x
  3. Step 3: Cross multiply
    51,680.80x = 77,512.32 × 14,232.54
  4. Step 4: Simplify right side
    51,680.80x = 1,103,197,194.89
  5. Step 5: Solve for x
    x = 1,103,197,194.89/51,680.80
  6. Step 6: Final answer
    x = 21,346.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.