Home / 69,881.80-104,836.54-19,962.33

Finding the Fourth Proportional to 69,881.80, 104,836.54 and 19,962.33

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Solution

The fourth proportional to 69,881.80, 104,836.54 and 19,962.33 is: 29,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,881.80 : 104,836.54 = 19,962.33 : x
  2. Step 2: Convert to fraction form
    69,881.80/104,836.54 = 19,962.33/x
  3. Step 3: Cross multiply
    69,881.80x = 104,836.54 × 19,962.33
  4. Step 4: Simplify right side
    69,881.80x = 2,092,781,607.54
  5. Step 5: Solve for x
    x = 2,092,781,607.54/69,881.80
  6. Step 6: Final answer
    x = 29,947.45

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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.