Home / 38,027.78-57,022.62-11,729.10

Finding the Fourth Proportional to 38,027.78, 57,022.62 and 11,729.10

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Solution

The fourth proportional to 38,027.78, 57,022.62 and 11,729.10 is: 17,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,027.78 : 57,022.62 = 11,729.10 : x
  2. Step 2: Convert to fraction form
    38,027.78/57,022.62 = 11,729.10/x
  3. Step 3: Cross multiply
    38,027.78x = 57,022.62 × 11,729.10
  4. Step 4: Simplify right side
    38,027.78x = 668,824,012.24
  5. Step 5: Solve for x
    x = 668,824,012.24/38,027.78
  6. Step 6: Final answer
    x = 17,587.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.