Home / 35,330.66-48,755.28-20,222.81

Finding the Fourth Proportional to 35,330.66, 48,755.28 and 20,222.81

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Solution

The fourth proportional to 35,330.66, 48,755.28 and 20,222.81 is: 27,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,330.66 : 48,755.28 = 20,222.81 : x
  2. Step 2: Convert to fraction form
    35,330.66/48,755.28 = 20,222.81/x
  3. Step 3: Cross multiply
    35,330.66x = 48,755.28 × 20,222.81
  4. Step 4: Simplify right side
    35,330.66x = 985,968,885.83
  5. Step 5: Solve for x
    x = 985,968,885.83/35,330.66
  6. Step 6: Final answer
    x = 27,906.90

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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.