Home / 51,160.28-76,750.83-21,578.22

Finding the Fourth Proportional to 51,160.28, 76,750.83 and 21,578.22

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Solution

The fourth proportional to 51,160.28, 76,750.83 and 21,578.22 is: 32,371.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,160.28 : 76,750.83 = 21,578.22 : x
  2. Step 2: Convert to fraction form
    51,160.28/76,750.83 = 21,578.22/x
  3. Step 3: Cross multiply
    51,160.28x = 76,750.83 × 21,578.22
  4. Step 4: Simplify right side
    51,160.28x = 1,656,146,294.92
  5. Step 5: Solve for x
    x = 1,656,146,294.92/51,160.28
  6. Step 6: Final answer
    x = 32,371.72

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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.