Home / 33,166-45,807.96-21,968.56

Finding the Fourth Proportional to 33,166, 45,807.96 and 21,968.56

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Solution

The fourth proportional to 33,166, 45,807.96 and 21,968.56 is: 30,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,166 : 45,807.96 = 21,968.56 : x
  2. Step 2: Convert to fraction form
    33,166/45,807.96 = 21,968.56/x
  3. Step 3: Cross multiply
    33,166x = 45,807.96 × 21,968.56
  4. Step 4: Simplify right side
    33,166x = 1,006,334,917.74
  5. Step 5: Solve for x
    x = 1,006,334,917.74/33,166
  6. Step 6: Final answer
    x = 30,342.37

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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.