Home / 51,792.27-77,688.41-20,649.39

Finding the Fourth Proportional to 51,792.27, 77,688.41 and 20,649.39

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Solution

The fourth proportional to 51,792.27, 77,688.41 and 20,649.39 is: 30,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,792.27 : 77,688.41 = 20,649.39 : x
  2. Step 2: Convert to fraction form
    51,792.27/77,688.41 = 20,649.39/x
  3. Step 3: Cross multiply
    51,792.27x = 77,688.41 × 20,649.39
  4. Step 4: Simplify right side
    51,792.27x = 1,604,218,276.57
  5. Step 5: Solve for x
    x = 1,604,218,276.57/51,792.27
  6. Step 6: Final answer
    x = 30,974.09

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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.