Home / 55,170.84-82,768.68-20,110.62

Finding the Fourth Proportional to 55,170.84, 82,768.68 and 20,110.62

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Solution

The fourth proportional to 55,170.84, 82,768.68 and 20,110.62 is: 30,170.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,170.84 : 82,768.68 = 20,110.62 : x
  2. Step 2: Convert to fraction form
    55,170.84/82,768.68 = 20,110.62/x
  3. Step 3: Cross multiply
    55,170.84x = 82,768.68 × 20,110.62
  4. Step 4: Simplify right side
    55,170.84x = 1,664,529,471.38
  5. Step 5: Solve for x
    x = 1,664,529,471.38/55,170.84
  6. Step 6: Final answer
    x = 30,170.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.