Home / 38,919.82-53,693.43-28,735.24

Finding the Fourth Proportional to 38,919.82, 53,693.43 and 28,735.24

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Solution

The fourth proportional to 38,919.82, 53,693.43 and 28,735.24 is: 39,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.82 : 53,693.43 = 28,735.24 : x
  2. Step 2: Convert to fraction form
    38,919.82/53,693.43 = 28,735.24/x
  3. Step 3: Cross multiply
    38,919.82x = 53,693.43 × 28,735.24
  4. Step 4: Simplify right side
    38,919.82x = 1,542,893,597.47
  5. Step 5: Solve for x
    x = 1,542,893,597.47/38,919.82
  6. Step 6: Final answer
    x = 39,642.88

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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.