Home / 51,322.73-77,025.56-21,761.32

Finding the Fourth Proportional to 51,322.73, 77,025.56 and 21,761.32

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Solution

The fourth proportional to 51,322.73, 77,025.56 and 21,761.32 is: 32,659.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,322.73 : 77,025.56 = 21,761.32 : x
  2. Step 2: Convert to fraction form
    51,322.73/77,025.56 = 21,761.32/x
  3. Step 3: Cross multiply
    51,322.73x = 77,025.56 × 21,761.32
  4. Step 4: Simplify right side
    51,322.73x = 1,676,177,750.53
  5. Step 5: Solve for x
    x = 1,676,177,750.53/51,322.73
  6. Step 6: Final answer
    x = 32,659.56

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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.