Home / 42,659.49-63,989.57-27,961.48

Finding the Fourth Proportional to 42,659.49, 63,989.57 and 27,961.48

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Solution

The fourth proportional to 42,659.49, 63,989.57 and 27,961.48 is: 41,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,659.49 : 63,989.57 = 27,961.48 : x
  2. Step 2: Convert to fraction form
    42,659.49/63,989.57 = 27,961.48/x
  3. Step 3: Cross multiply
    42,659.49x = 63,989.57 × 27,961.48
  4. Step 4: Simplify right side
    42,659.49x = 1,789,242,973.04
  5. Step 5: Solve for x
    x = 1,789,242,973.04/42,659.49
  6. Step 6: Final answer
    x = 41,942.44

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Similar ratio
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1.5x scale

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.