Home / 35,330.38-48,755.06-20,222.08

Finding the Fourth Proportional to 35,330.38, 48,755.06 and 20,222.08

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Solution

The fourth proportional to 35,330.38, 48,755.06 and 20,222.08 is: 27,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,330.38 : 48,755.06 = 20,222.08 : x
  2. Step 2: Convert to fraction form
    35,330.38/48,755.06 = 20,222.08/x
  3. Step 3: Cross multiply
    35,330.38x = 48,755.06 × 20,222.08
  4. Step 4: Simplify right side
    35,330.38x = 985,928,827.43
  5. Step 5: Solve for x
    x = 985,928,827.43/35,330.38
  6. Step 6: Final answer
    x = 27,905.98

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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.