Home / 51,534.30-77,269.86-21,935.28

Finding the Fourth Proportional to 51,534.30, 77,269.86 and 21,935.28

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Solution

The fourth proportional to 51,534.30, 77,269.86 and 21,935.28 is: 32,889.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,534.30 : 77,269.86 = 21,935.28 : x
  2. Step 2: Convert to fraction form
    51,534.30/77,269.86 = 21,935.28/x
  3. Step 3: Cross multiply
    51,534.30x = 77,269.86 × 21,935.28
  4. Step 4: Simplify right side
    51,534.30x = 1,694,936,014.66
  5. Step 5: Solve for x
    x = 1,694,936,014.66/51,534.30
  6. Step 6: Final answer
    x = 32,889.47

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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.