Home / 30,068.25-41,494.23-16,640.40

Finding the Fourth Proportional to 30,068.25, 41,494.23 and 16,640.40

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Solution

The fourth proportional to 30,068.25, 41,494.23 and 16,640.40 is: 22,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,068.25 : 41,494.23 = 16,640.40 : x
  2. Step 2: Convert to fraction form
    30,068.25/41,494.23 = 16,640.40/x
  3. Step 3: Cross multiply
    30,068.25x = 41,494.23 × 16,640.40
  4. Step 4: Simplify right side
    30,068.25x = 690,480,584.89
  5. Step 5: Solve for x
    x = 690,480,584.89/30,068.25
  6. Step 6: Final answer
    x = 22,963.78

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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.