Home / 30,069.91-41,495.85-16,640.36

Finding the Fourth Proportional to 30,069.91, 41,495.85 and 16,640.36

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Solution

The fourth proportional to 30,069.91, 41,495.85 and 16,640.36 is: 22,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,069.91 : 41,495.85 = 16,640.36 : x
  2. Step 2: Convert to fraction form
    30,069.91/41,495.85 = 16,640.36/x
  3. Step 3: Cross multiply
    30,069.91x = 41,495.85 × 16,640.36
  4. Step 4: Simplify right side
    30,069.91x = 690,505,986.25
  5. Step 5: Solve for x
    x = 690,505,986.25/30,069.91
  6. Step 6: Final answer
    x = 22,963.36

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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.