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Finding the Fourth Proportional to 33,997.97, 46,903.75 and 19,655.15

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Solution

The fourth proportional to 33,997.97, 46,903.75 and 19,655.15 is: 27,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,997.97 : 46,903.75 = 19,655.15 : x
  2. Step 2: Convert to fraction form
    33,997.97/46,903.75 = 19,655.15/x
  3. Step 3: Cross multiply
    33,997.97x = 46,903.75 × 19,655.15
  4. Step 4: Simplify right side
    33,997.97x = 921,900,309.93
  5. Step 5: Solve for x
    x = 921,900,309.93/33,997.97
  6. Step 6: Final answer
    x = 27,116.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.