Home / 50,930.05-76,395.51-19,331.63

Finding the Fourth Proportional to 50,930.05, 76,395.51 and 19,331.63

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Solution

The fourth proportional to 50,930.05, 76,395.51 and 19,331.63 is: 28,997.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,930.05 : 76,395.51 = 19,331.63 : x
  2. Step 2: Convert to fraction form
    50,930.05/76,395.51 = 19,331.63/x
  3. Step 3: Cross multiply
    50,930.05x = 76,395.51 × 19,331.63
  4. Step 4: Simplify right side
    50,930.05x = 1,476,849,732.98
  5. Step 5: Solve for x
    x = 1,476,849,732.98/50,930.05
  6. Step 6: Final answer
    x = 28,997.61

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1.5x scale

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.