Home / 30,161.90-41,623.65-16,549.85

Finding the Fourth Proportional to 30,161.90, 41,623.65 and 16,549.85

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Solution

The fourth proportional to 30,161.90, 41,623.65 and 16,549.85 is: 22,838.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.90 : 41,623.65 = 16,549.85 : x
  2. Step 2: Convert to fraction form
    30,161.90/41,623.65 = 16,549.85/x
  3. Step 3: Cross multiply
    30,161.90x = 41,623.65 × 16,549.85
  4. Step 4: Simplify right side
    30,161.90x = 688,865,163.95
  5. Step 5: Solve for x
    x = 688,865,163.95/30,161.90
  6. Step 6: Final answer
    x = 22,838.92

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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.