Home / 55,704.78-76,876.68-31,830.94

Finding the Fourth Proportional to 55,704.78, 76,876.68 and 31,830.94

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Solution

The fourth proportional to 55,704.78, 76,876.68 and 31,830.94 is: 43,929.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,704.78 : 76,876.68 = 31,830.94 : x
  2. Step 2: Convert to fraction form
    55,704.78/76,876.68 = 31,830.94/x
  3. Step 3: Cross multiply
    55,704.78x = 76,876.68 × 31,830.94
  4. Step 4: Simplify right side
    55,704.78x = 2,447,057,024.89
  5. Step 5: Solve for x
    x = 2,447,057,024.89/55,704.78
  6. Step 6: Final answer
    x = 43,929.03

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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.