Home / 38,458.34-57,653.22-20,698.54

Finding the Fourth Proportional to 38,458.34, 57,653.22 and 20,698.54

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Solution

The fourth proportional to 38,458.34, 57,653.22 and 20,698.54 is: 31,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,458.34 : 57,653.22 = 20,698.54 : x
  2. Step 2: Convert to fraction form
    38,458.34/57,653.22 = 20,698.54/x
  3. Step 3: Cross multiply
    38,458.34x = 57,653.22 × 20,698.54
  4. Step 4: Simplify right side
    38,458.34x = 1,193,337,480.30
  5. Step 5: Solve for x
    x = 1,193,337,480.30/38,458.34
  6. Step 6: Final answer
    x = 31,029.35

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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.