Home / 33,032.16-45,567.43-20,912.09

Finding the Fourth Proportional to 33,032.16, 45,567.43 and 20,912.09

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Solution

The fourth proportional to 33,032.16, 45,567.43 and 20,912.09 is: 28,847.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,032.16 : 45,567.43 = 20,912.09 : x
  2. Step 2: Convert to fraction form
    33,032.16/45,567.43 = 20,912.09/x
  3. Step 3: Cross multiply
    33,032.16x = 45,567.43 × 20,912.09
  4. Step 4: Simplify right side
    33,032.16x = 952,909,917.11
  5. Step 5: Solve for x
    x = 952,909,917.11/33,032.16
  6. Step 6: Final answer
    x = 28,847.94

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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.