Home / 55,350.78-76,383.68-31,477.44

Finding the Fourth Proportional to 55,350.78, 76,383.68 and 31,477.44

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Solution

The fourth proportional to 55,350.78, 76,383.68 and 31,477.44 is: 43,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,350.78 : 76,383.68 = 31,477.44 : x
  2. Step 2: Convert to fraction form
    55,350.78/76,383.68 = 31,477.44/x
  3. Step 3: Cross multiply
    55,350.78x = 76,383.68 × 31,477.44
  4. Step 4: Simplify right side
    55,350.78x = 2,404,362,704.18
  5. Step 5: Solve for x
    x = 2,404,362,704.18/55,350.78
  6. Step 6: Final answer
    x = 43,438.64

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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.