Home / 30,213.27-41,693.67-16,784.28

Finding the Fourth Proportional to 30,213.27, 41,693.67 and 16,784.28

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Solution

The fourth proportional to 30,213.27, 41,693.67 and 16,784.28 is: 23,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213.27 : 41,693.67 = 16,784.28 : x
  2. Step 2: Convert to fraction form
    30,213.27/41,693.67 = 16,784.28/x
  3. Step 3: Cross multiply
    30,213.27x = 41,693.67 × 16,784.28
  4. Step 4: Simplify right side
    30,213.27x = 699,798,231.51
  5. Step 5: Solve for x
    x = 699,798,231.51/30,213.27
  6. Step 6: Final answer
    x = 23,161.95

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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.