Home / 55,433.12-83,111.73-19,893.65

Finding the Fourth Proportional to 55,433.12, 83,111.73 and 19,893.65

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Solution

The fourth proportional to 55,433.12, 83,111.73 and 19,893.65 is: 29,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,433.12 : 83,111.73 = 19,893.65 : x
  2. Step 2: Convert to fraction form
    55,433.12/83,111.73 = 19,893.65/x
  3. Step 3: Cross multiply
    55,433.12x = 83,111.73 × 19,893.65
  4. Step 4: Simplify right side
    55,433.12x = 1,653,395,251.96
  5. Step 5: Solve for x
    x = 1,653,395,251.96/55,433.12
  6. Step 6: Final answer
    x = 29,826.85

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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.