Home / 43,228.63-64,850.79-21,042.04

Finding the Fourth Proportional to 43,228.63, 64,850.79 and 21,042.04

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Solution

The fourth proportional to 43,228.63, 64,850.79 and 21,042.04 is: 31,566.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,228.63 : 64,850.79 = 21,042.04 : x
  2. Step 2: Convert to fraction form
    43,228.63/64,850.79 = 21,042.04/x
  3. Step 3: Cross multiply
    43,228.63x = 64,850.79 × 21,042.04
  4. Step 4: Simplify right side
    43,228.63x = 1,364,592,917.21
  5. Step 5: Solve for x
    x = 1,364,592,917.21/43,228.63
  6. Step 6: Final answer
    x = 31,566.88

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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.