Home / 50,470.70-75,673.24-20,858.72

Finding the Fourth Proportional to 50,470.70, 75,673.24 and 20,858.72

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Solution

The fourth proportional to 50,470.70, 75,673.24 and 20,858.72 is: 31,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,470.70 : 75,673.24 = 20,858.72 : x
  2. Step 2: Convert to fraction form
    50,470.70/75,673.24 = 20,858.72/x
  3. Step 3: Cross multiply
    50,470.70x = 75,673.24 × 20,858.72
  4. Step 4: Simplify right side
    50,470.70x = 1,578,446,494.14
  5. Step 5: Solve for x
    x = 1,578,446,494.14/50,470.70
  6. Step 6: Final answer
    x = 31,274.51

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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.