Home / 33,181.16-45,782.78-19,749.78

Finding the Fourth Proportional to 33,181.16, 45,782.78 and 19,749.78

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Solution

The fourth proportional to 33,181.16, 45,782.78 and 19,749.78 is: 27,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,181.16 : 45,782.78 = 19,749.78 : x
  2. Step 2: Convert to fraction form
    33,181.16/45,782.78 = 19,749.78/x
  3. Step 3: Cross multiply
    33,181.16x = 45,782.78 × 19,749.78
  4. Step 4: Simplify right side
    33,181.16x = 904,199,734.04
  5. Step 5: Solve for x
    x = 904,199,734.04/33,181.16
  6. Step 6: Final answer
    x = 27,250.40

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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.