Home / 35,218.05-48,604.89-20,112.85

Finding the Fourth Proportional to 35,218.05, 48,604.89 and 20,112.85

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Solution

The fourth proportional to 35,218.05, 48,604.89 and 20,112.85 is: 27,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,218.05 : 48,604.89 = 20,112.85 : x
  2. Step 2: Convert to fraction form
    35,218.05/48,604.89 = 20,112.85/x
  3. Step 3: Cross multiply
    35,218.05x = 48,604.89 × 20,112.85
  4. Step 4: Simplify right side
    35,218.05x = 977,582,861.84
  5. Step 5: Solve for x
    x = 977,582,861.84/35,218.05
  6. Step 6: Final answer
    x = 27,758.01

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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.