Home / 38,450.80-57,644.20-16,281.20

Finding the Fourth Proportional to 38,450.80, 57,644.20 and 16,281.20

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Solution

The fourth proportional to 38,450.80, 57,644.20 and 16,281.20 is: 24,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,450.80 : 57,644.20 = 16,281.20 : x
  2. Step 2: Convert to fraction form
    38,450.80/57,644.20 = 16,281.20/x
  3. Step 3: Cross multiply
    38,450.80x = 57,644.20 × 16,281.20
  4. Step 4: Simplify right side
    38,450.80x = 938,516,749.04
  5. Step 5: Solve for x
    x = 938,516,749.04/38,450.80
  6. Step 6: Final answer
    x = 24,408.25

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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.