Home / 51,531.30-77,265.36-21,932.28

Finding the Fourth Proportional to 51,531.30, 77,265.36 and 21,932.28

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Solution

The fourth proportional to 51,531.30, 77,265.36 and 21,932.28 is: 32,884.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,531.30 : 77,265.36 = 21,932.28 : x
  2. Step 2: Convert to fraction form
    51,531.30/77,265.36 = 21,932.28/x
  3. Step 3: Cross multiply
    51,531.30x = 77,265.36 × 21,932.28
  4. Step 4: Simplify right side
    51,531.30x = 1,694,605,509.82
  5. Step 5: Solve for x
    x = 1,694,605,509.82/51,531.30
  6. Step 6: Final answer
    x = 32,884.97

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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.