Home / 33,457.89-46,170.51-20,021.21

Finding the Fourth Proportional to 33,457.89, 46,170.51 and 20,021.21

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Solution

The fourth proportional to 33,457.89, 46,170.51 and 20,021.21 is: 27,628.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,457.89 : 46,170.51 = 20,021.21 : x
  2. Step 2: Convert to fraction form
    33,457.89/46,170.51 = 20,021.21/x
  3. Step 3: Cross multiply
    33,457.89x = 46,170.51 × 20,021.21
  4. Step 4: Simplify right side
    33,457.89x = 924,389,343.72
  5. Step 5: Solve for x
    x = 924,389,343.72/33,457.89
  6. Step 6: Final answer
    x = 27,628.44

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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.