Home / 43,858.08-65,787.72-12,693.36

Finding the Fourth Proportional to 43,858.08, 65,787.72 and 12,693.36

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Solution

The fourth proportional to 43,858.08, 65,787.72 and 12,693.36 is: 19,040.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,858.08 : 65,787.72 = 12,693.36 : x
  2. Step 2: Convert to fraction form
    43,858.08/65,787.72 = 12,693.36/x
  3. Step 3: Cross multiply
    43,858.08x = 65,787.72 × 12,693.36
  4. Step 4: Simplify right side
    43,858.08x = 835,067,213.54
  5. Step 5: Solve for x
    x = 835,067,213.54/43,858.08
  6. Step 6: Final answer
    x = 19,040.21

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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.