Home / 55,850.08-83,787.40-18,408.64

Finding the Fourth Proportional to 55,850.08, 83,787.40 and 18,408.64

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Solution

The fourth proportional to 55,850.08, 83,787.40 and 18,408.64 is: 27,617.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,850.08 : 83,787.40 = 18,408.64 : x
  2. Step 2: Convert to fraction form
    55,850.08/83,787.40 = 18,408.64/x
  3. Step 3: Cross multiply
    55,850.08x = 83,787.40 × 18,408.64
  4. Step 4: Simplify right side
    55,850.08x = 1,542,412,083.14
  5. Step 5: Solve for x
    x = 1,542,412,083.14/55,850.08
  6. Step 6: Final answer
    x = 27,617.01

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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.