Home / 57,258.37-85,893.44-19,818.38

Finding the Fourth Proportional to 57,258.37, 85,893.44 and 19,818.38

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Solution

The fourth proportional to 57,258.37, 85,893.44 and 19,818.38 is: 29,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,258.37 : 85,893.44 = 19,818.38 : x
  2. Step 2: Convert to fraction form
    57,258.37/85,893.44 = 19,818.38/x
  3. Step 3: Cross multiply
    57,258.37x = 85,893.44 × 19,818.38
  4. Step 4: Simplify right side
    57,258.37x = 1,702,268,763.23
  5. Step 5: Solve for x
    x = 1,702,268,763.23/57,258.37
  6. Step 6: Final answer
    x = 29,729.61

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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.