Home / 43,361.49-64,992.69-19,687.08

Finding the Fourth Proportional to 43,361.49, 64,992.69 and 19,687.08

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Solution

The fourth proportional to 43,361.49, 64,992.69 and 19,687.08 is: 29,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,361.49 : 64,992.69 = 19,687.08 : x
  2. Step 2: Convert to fraction form
    43,361.49/64,992.69 = 19,687.08/x
  3. Step 3: Cross multiply
    43,361.49x = 64,992.69 × 19,687.08
  4. Step 4: Simplify right side
    43,361.49x = 1,279,516,287.45
  5. Step 5: Solve for x
    x = 1,279,516,287.45/43,361.49
  6. Step 6: Final answer
    x = 29,508.13

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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.