Home / 35,330.08-48,753.21-20,222.86

Finding the Fourth Proportional to 35,330.08, 48,753.21 and 20,222.86

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Solution

The fourth proportional to 35,330.08, 48,753.21 and 20,222.86 is: 27,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,330.08 : 48,753.21 = 20,222.86 : x
  2. Step 2: Convert to fraction form
    35,330.08/48,753.21 = 20,222.86/x
  3. Step 3: Cross multiply
    35,330.08x = 48,753.21 × 20,222.86
  4. Step 4: Simplify right side
    35,330.08x = 985,929,294.33
  5. Step 5: Solve for x
    x = 985,929,294.33/35,330.08
  6. Step 6: Final answer
    x = 27,906.23

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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.