Home / 51,382.08-77,076.90-21,796.56

Finding the Fourth Proportional to 51,382.08, 77,076.90 and 21,796.56

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Solution

The fourth proportional to 51,382.08, 77,076.90 and 21,796.56 is: 32,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,382.08 : 77,076.90 = 21,796.56 : x
  2. Step 2: Convert to fraction form
    51,382.08/77,076.90 = 21,796.56/x
  3. Step 3: Cross multiply
    51,382.08x = 77,076.90 × 21,796.56
  4. Step 4: Simplify right side
    51,382.08x = 1,680,011,275.46
  5. Step 5: Solve for x
    x = 1,680,011,275.46/51,382.08
  6. Step 6: Final answer
    x = 32,696.44

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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.