Home / 55,678.82-83,516.06-18,241.70

Finding the Fourth Proportional to 55,678.82, 83,516.06 and 18,241.70

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Solution

The fourth proportional to 55,678.82, 83,516.06 and 18,241.70 is: 27,361.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,678.82 : 83,516.06 = 18,241.70 : x
  2. Step 2: Convert to fraction form
    55,678.82/83,516.06 = 18,241.70/x
  3. Step 3: Cross multiply
    55,678.82x = 83,516.06 × 18,241.70
  4. Step 4: Simplify right side
    55,678.82x = 1,523,474,911.70
  5. Step 5: Solve for x
    x = 1,523,474,911.70/55,678.82
  6. Step 6: Final answer
    x = 27,361.84

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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.