Home / 42,979.84-64,469.45-23,382.97

Finding the Fourth Proportional to 42,979.84, 64,469.45 and 23,382.97

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Solution

The fourth proportional to 42,979.84, 64,469.45 and 23,382.97 is: 35,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,979.84 : 64,469.45 = 23,382.97 : x
  2. Step 2: Convert to fraction form
    42,979.84/64,469.45 = 23,382.97/x
  3. Step 3: Cross multiply
    42,979.84x = 64,469.45 × 23,382.97
  4. Step 4: Simplify right side
    42,979.84x = 1,507,487,112.55
  5. Step 5: Solve for x
    x = 1,507,487,112.55/42,979.84
  6. Step 6: Final answer
    x = 35,074.29

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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.