Home / 33,140.33-45,734.88-18,995.90

Finding the Fourth Proportional to 33,140.33, 45,734.88 and 18,995.90

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Solution

The fourth proportional to 33,140.33, 45,734.88 and 18,995.90 is: 26,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.33 : 45,734.88 = 18,995.90 : x
  2. Step 2: Convert to fraction form
    33,140.33/45,734.88 = 18,995.90/x
  3. Step 3: Cross multiply
    33,140.33x = 45,734.88 × 18,995.90
  4. Step 4: Simplify right side
    33,140.33x = 868,775,206.99
  5. Step 5: Solve for x
    x = 868,775,206.99/33,140.33
  6. Step 6: Final answer
    x = 26,215.04

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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.