Home / 43,414.56-65,135.96-19,719.33

Finding the Fourth Proportional to 43,414.56, 65,135.96 and 19,719.33

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Solution

The fourth proportional to 43,414.56, 65,135.96 and 19,719.33 is: 29,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,414.56 : 65,135.96 = 19,719.33 : x
  2. Step 2: Convert to fraction form
    43,414.56/65,135.96 = 19,719.33/x
  3. Step 3: Cross multiply
    43,414.56x = 65,135.96 × 19,719.33
  4. Step 4: Simplify right side
    43,414.56x = 1,284,437,490.11
  5. Step 5: Solve for x
    x = 1,284,437,490.11/43,414.56
  6. Step 6: Final answer
    x = 29,585.41

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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.