Home / 38,445.03-57,601.94-20,883.42

Finding the Fourth Proportional to 38,445.03, 57,601.94 and 20,883.42

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Solution

The fourth proportional to 38,445.03, 57,601.94 and 20,883.42 is: 31,289.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,445.03 : 57,601.94 = 20,883.42 : x
  2. Step 2: Convert to fraction form
    38,445.03/57,601.94 = 20,883.42/x
  3. Step 3: Cross multiply
    38,445.03x = 57,601.94 × 20,883.42
  4. Step 4: Simplify right side
    38,445.03x = 1,202,925,401.42
  5. Step 5: Solve for x
    x = 1,202,925,401.42/38,445.03
  6. Step 6: Final answer
    x = 31,289.49

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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.