Home / 30,241.81-41,733.66-16,812.64

Finding the Fourth Proportional to 30,241.81, 41,733.66 and 16,812.64

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Solution

The fourth proportional to 30,241.81, 41,733.66 and 16,812.64 is: 23,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241.81 : 41,733.66 = 16,812.64 : x
  2. Step 2: Convert to fraction form
    30,241.81/41,733.66 = 16,812.64/x
  3. Step 3: Cross multiply
    30,241.81x = 41,733.66 × 16,812.64
  4. Step 4: Simplify right side
    30,241.81x = 701,653,001.46
  5. Step 5: Solve for x
    x = 701,653,001.46/30,241.81
  6. Step 6: Final answer
    x = 23,201.42

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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.