Home / 38,021.90-52,469.21-21,025.67

Finding the Fourth Proportional to 38,021.90, 52,469.21 and 21,025.67

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Solution

The fourth proportional to 38,021.90, 52,469.21 and 21,025.67 is: 29,014.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021.90 : 52,469.21 = 21,025.67 : x
  2. Step 2: Convert to fraction form
    38,021.90/52,469.21 = 21,025.67/x
  3. Step 3: Cross multiply
    38,021.90x = 52,469.21 × 21,025.67
  4. Step 4: Simplify right side
    38,021.90x = 1,103,199,927.15
  5. Step 5: Solve for x
    x = 1,103,199,927.15/38,021.90
  6. Step 6: Final answer
    x = 29,014.86

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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.