Home / 30,243.81-41,736.42-16,814.64

Finding the Fourth Proportional to 30,243.81, 41,736.42 and 16,814.64

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Solution

The fourth proportional to 30,243.81, 41,736.42 and 16,814.64 is: 23,204.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.81 : 41,736.42 = 16,814.64 : x
  2. Step 2: Convert to fraction form
    30,243.81/41,736.42 = 16,814.64/x
  3. Step 3: Cross multiply
    30,243.81x = 41,736.42 × 16,814.64
  4. Step 4: Simplify right side
    30,243.81x = 701,782,877.19
  5. Step 5: Solve for x
    x = 701,782,877.19/30,243.81
  6. Step 6: Final answer
    x = 23,204.18

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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.