Home / 51,323.23-77,026.31-21,761.82

Finding the Fourth Proportional to 51,323.23, 77,026.31 and 21,761.82

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Solution

The fourth proportional to 51,323.23, 77,026.31 and 21,761.82 is: 32,660.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,323.23 : 77,026.31 = 21,761.82 : x
  2. Step 2: Convert to fraction form
    51,323.23/77,026.31 = 21,761.82/x
  3. Step 3: Cross multiply
    51,323.23x = 77,026.31 × 21,761.82
  4. Step 4: Simplify right side
    51,323.23x = 1,676,232,584.68
  5. Step 5: Solve for x
    x = 1,676,232,584.68/51,323.23
  6. Step 6: Final answer
    x = 32,660.31

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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.