Home / 55,704.38-76,872.04-30,553.34

Finding the Fourth Proportional to 55,704.38, 76,872.04 and 30,553.34

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Solution

The fourth proportional to 55,704.38, 76,872.04 and 30,553.34 is: 42,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,704.38 : 76,872.04 = 30,553.34 : x
  2. Step 2: Convert to fraction form
    55,704.38/76,872.04 = 30,553.34/x
  3. Step 3: Cross multiply
    55,704.38x = 76,872.04 × 30,553.34
  4. Step 4: Simplify right side
    55,704.38x = 2,348,697,113.87
  5. Step 5: Solve for x
    x = 2,348,697,113.87/55,704.38
  6. Step 6: Final answer
    x = 42,163.60

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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.