Home / 69,965.28-104,916.96-20,034

Finding the Fourth Proportional to 69,965.28, 104,916.96 and 20,034

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Solution

The fourth proportional to 69,965.28, 104,916.96 and 20,034 is: 30,042.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,965.28 : 104,916.96 = 20,034 : x
  2. Step 2: Convert to fraction form
    69,965.28/104,916.96 = 20,034/x
  3. Step 3: Cross multiply
    69,965.28x = 104,916.96 × 20,034
  4. Step 4: Simplify right side
    69,965.28x = 2,101,906,376.64
  5. Step 5: Solve for x
    x = 2,101,906,376.64/69,965.28
  6. Step 6: Final answer
    x = 30,042.13

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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.