Home / 43,127.90-64,669.97-19,734.29

Finding the Fourth Proportional to 43,127.90, 64,669.97 and 19,734.29

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Solution

The fourth proportional to 43,127.90, 64,669.97 and 19,734.29 is: 29,591.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,127.90 : 64,669.97 = 19,734.29 : x
  2. Step 2: Convert to fraction form
    43,127.90/64,669.97 = 19,734.29/x
  3. Step 3: Cross multiply
    43,127.90x = 64,669.97 × 19,734.29
  4. Step 4: Simplify right side
    43,127.90x = 1,276,215,520.25
  5. Step 5: Solve for x
    x = 1,276,215,520.25/43,127.90
  6. Step 6: Final answer
    x = 29,591.42

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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.