Home / 42,640.60-63,979.32-22,896.04

Finding the Fourth Proportional to 42,640.60, 63,979.32 and 22,896.04

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Solution

The fourth proportional to 42,640.60, 63,979.32 and 22,896.04 is: 34,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,640.60 : 63,979.32 = 22,896.04 : x
  2. Step 2: Convert to fraction form
    42,640.60/63,979.32 = 22,896.04/x
  3. Step 3: Cross multiply
    42,640.60x = 63,979.32 × 22,896.04
  4. Step 4: Simplify right side
    42,640.60x = 1,464,873,069.89
  5. Step 5: Solve for x
    x = 1,464,873,069.89/42,640.60
  6. Step 6: Final answer
    x = 34,353.95

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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.