Home / 33,100.30-45,673.90-19,666.65

Finding the Fourth Proportional to 33,100.30, 45,673.90 and 19,666.65

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Solution

The fourth proportional to 33,100.30, 45,673.90 and 19,666.65 is: 27,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,100.30 : 45,673.90 = 19,666.65 : x
  2. Step 2: Convert to fraction form
    33,100.30/45,673.90 = 19,666.65/x
  3. Step 3: Cross multiply
    33,100.30x = 45,673.90 × 19,666.65
  4. Step 4: Simplify right side
    33,100.30x = 898,252,605.44
  5. Step 5: Solve for x
    x = 898,252,605.44/33,100.30
  6. Step 6: Final answer
    x = 27,137.29

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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.