Home / 50,561.01-75,844.85-20,981.22

Finding the Fourth Proportional to 50,561.01, 75,844.85 and 20,981.22

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Solution

The fourth proportional to 50,561.01, 75,844.85 and 20,981.22 is: 31,473.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,561.01 : 75,844.85 = 20,981.22 : x
  2. Step 2: Convert to fraction form
    50,561.01/75,844.85 = 20,981.22/x
  3. Step 3: Cross multiply
    50,561.01x = 75,844.85 × 20,981.22
  4. Step 4: Simplify right side
    50,561.01x = 1,591,317,378.81
  5. Step 5: Solve for x
    x = 1,591,317,378.81/50,561.01
  6. Step 6: Final answer
    x = 31,473.21

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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.