Home / 69,984.70-104,945.45-20,053.38

Finding the Fourth Proportional to 69,984.70, 104,945.45 and 20,053.38

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Solution

The fourth proportional to 69,984.70, 104,945.45 and 20,053.38 is: 30,071.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984.70 : 104,945.45 = 20,053.38 : x
  2. Step 2: Convert to fraction form
    69,984.70/104,945.45 = 20,053.38/x
  3. Step 3: Cross multiply
    69,984.70x = 104,945.45 × 20,053.38
  4. Step 4: Simplify right side
    69,984.70x = 2,104,510,988.12
  5. Step 5: Solve for x
    x = 2,104,510,988.12/69,984.70
  6. Step 6: Final answer
    x = 30,071.02

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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.