Home / 35,227.40-48,614.21-20,122.07

Finding the Fourth Proportional to 35,227.40, 48,614.21 and 20,122.07

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Solution

The fourth proportional to 35,227.40, 48,614.21 and 20,122.07 is: 27,768.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,227.40 : 48,614.21 = 20,122.07 : x
  2. Step 2: Convert to fraction form
    35,227.40/48,614.21 = 20,122.07/x
  3. Step 3: Cross multiply
    35,227.40x = 48,614.21 × 20,122.07
  4. Step 4: Simplify right side
    35,227.40x = 978,218,192.93
  5. Step 5: Solve for x
    x = 978,218,192.93/35,227.40
  6. Step 6: Final answer
    x = 27,768.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.