Home / 30,069.25-41,496.16-16,640.16

Finding the Fourth Proportional to 30,069.25, 41,496.16 and 16,640.16

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Solution

The fourth proportional to 30,069.25, 41,496.16 and 16,640.16 is: 22,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,069.25 : 41,496.16 = 16,640.16 : x
  2. Step 2: Convert to fraction form
    30,069.25/41,496.16 = 16,640.16/x
  3. Step 3: Cross multiply
    30,069.25x = 41,496.16 × 16,640.16
  4. Step 4: Simplify right side
    30,069.25x = 690,502,741.79
  5. Step 5: Solve for x
    x = 690,502,741.79/30,069.25
  6. Step 6: Final answer
    x = 22,963.75

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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.