Home / 38,414.89-57,629.31-18,693.46

Finding the Fourth Proportional to 38,414.89, 57,629.31 and 18,693.46

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Solution

The fourth proportional to 38,414.89, 57,629.31 and 18,693.46 is: 28,043.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,414.89 : 57,629.31 = 18,693.46 : x
  2. Step 2: Convert to fraction form
    38,414.89/57,629.31 = 18,693.46/x
  3. Step 3: Cross multiply
    38,414.89x = 57,629.31 × 18,693.46
  4. Step 4: Simplify right side
    38,414.89x = 1,077,291,201.31
  5. Step 5: Solve for x
    x = 1,077,291,201.31/38,414.89
  6. Step 6: Final answer
    x = 28,043.58

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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.