Home / 30,038.20-41,452.50-16,609.48

Finding the Fourth Proportional to 30,038.20, 41,452.50 and 16,609.48

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Solution

The fourth proportional to 30,038.20, 41,452.50 and 16,609.48 is: 22,920.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,038.20 : 41,452.50 = 16,609.48 : x
  2. Step 2: Convert to fraction form
    30,038.20/41,452.50 = 16,609.48/x
  3. Step 3: Cross multiply
    30,038.20x = 41,452.50 × 16,609.48
  4. Step 4: Simplify right side
    30,038.20x = 688,504,469.70
  5. Step 5: Solve for x
    x = 688,504,469.70/30,038.20
  6. Step 6: Final answer
    x = 22,920.96

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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.