Home / 50,918.54-76,376.96-20,926.70

Finding the Fourth Proportional to 50,918.54, 76,376.96 and 20,926.70

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Solution

The fourth proportional to 50,918.54, 76,376.96 and 20,926.70 is: 31,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,918.54 : 76,376.96 = 20,926.70 : x
  2. Step 2: Convert to fraction form
    50,918.54/76,376.96 = 20,926.70/x
  3. Step 3: Cross multiply
    50,918.54x = 76,376.96 × 20,926.70
  4. Step 4: Simplify right side
    50,918.54x = 1,598,317,399.26
  5. Step 5: Solve for x
    x = 1,598,317,399.26/50,918.54
  6. Step 6: Final answer
    x = 31,389.70

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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.