Home / 30,369.10-41,909.43-16,940.02

Finding the Fourth Proportional to 30,369.10, 41,909.43 and 16,940.02

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Solution

The fourth proportional to 30,369.10, 41,909.43 and 16,940.02 is: 23,377.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369.10 : 41,909.43 = 16,940.02 : x
  2. Step 2: Convert to fraction form
    30,369.10/41,909.43 = 16,940.02/x
  3. Step 3: Cross multiply
    30,369.10x = 41,909.43 × 16,940.02
  4. Step 4: Simplify right side
    30,369.10x = 709,946,582.39
  5. Step 5: Solve for x
    x = 709,946,582.39/30,369.10
  6. Step 6: Final answer
    x = 23,377.27

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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.