Home / 55,942.85-83,902.10-18,494.07

Finding the Fourth Proportional to 55,942.85, 83,902.10 and 18,494.07

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Solution

The fourth proportional to 55,942.85, 83,902.10 and 18,494.07 is: 27,737.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,942.85 : 83,902.10 = 18,494.07 : x
  2. Step 2: Convert to fraction form
    55,942.85/83,902.10 = 18,494.07/x
  3. Step 3: Cross multiply
    55,942.85x = 83,902.10 × 18,494.07
  4. Step 4: Simplify right side
    55,942.85x = 1,551,691,218.08
  5. Step 5: Solve for x
    x = 1,551,691,218.08/55,942.85
  6. Step 6: Final answer
    x = 27,737.08

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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.