Home / 69,694.38-104,545.56-19,770.57

Finding the Fourth Proportional to 69,694.38, 104,545.56 and 19,770.57

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Solution

The fourth proportional to 69,694.38, 104,545.56 and 19,770.57 is: 29,656.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,694.38 : 104,545.56 = 19,770.57 : x
  2. Step 2: Convert to fraction form
    69,694.38/104,545.56 = 19,770.57/x
  3. Step 3: Cross multiply
    69,694.38x = 104,545.56 × 19,770.57
  4. Step 4: Simplify right side
    69,694.38x = 2,066,925,312.17
  5. Step 5: Solve for x
    x = 2,066,925,312.17/69,694.38
  6. Step 6: Final answer
    x = 29,656.99

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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.