Home / 33,107.81-45,689.67-18,001.49

Finding the Fourth Proportional to 33,107.81, 45,689.67 and 18,001.49

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Solution

The fourth proportional to 33,107.81, 45,689.67 and 18,001.49 is: 24,842.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,107.81 : 45,689.67 = 18,001.49 : x
  2. Step 2: Convert to fraction form
    33,107.81/45,689.67 = 18,001.49/x
  3. Step 3: Cross multiply
    33,107.81x = 45,689.67 × 18,001.49
  4. Step 4: Simplify right side
    33,107.81x = 822,481,976.67
  5. Step 5: Solve for x
    x = 822,481,976.67/33,107.81
  6. Step 6: Final answer
    x = 24,842.54

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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.