Home / 33,343.38-45,999-21,998.34

Finding the Fourth Proportional to 33,343.38, 45,999 and 21,998.34

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Solution

The fourth proportional to 33,343.38, 45,999 and 21,998.34 is: 30,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,343.38 : 45,999 = 21,998.34 : x
  2. Step 2: Convert to fraction form
    33,343.38/45,999 = 21,998.34/x
  3. Step 3: Cross multiply
    33,343.38x = 45,999 × 21,998.34
  4. Step 4: Simplify right side
    33,343.38x = 1,011,901,641.66
  5. Step 5: Solve for x
    x = 1,011,901,641.66/33,343.38
  6. Step 6: Final answer
    x = 30,347.90

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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.