Home / 33,250.10-45,885.11-21,313.43

Finding the Fourth Proportional to 33,250.10, 45,885.11 and 21,313.43

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Solution

The fourth proportional to 33,250.10, 45,885.11 and 21,313.43 is: 29,412.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,250.10 : 45,885.11 = 21,313.43 : x
  2. Step 2: Convert to fraction form
    33,250.10/45,885.11 = 21,313.43/x
  3. Step 3: Cross multiply
    33,250.10x = 45,885.11 × 21,313.43
  4. Step 4: Simplify right side
    33,250.10x = 977,968,850.60
  5. Step 5: Solve for x
    x = 977,968,850.60/33,250.10
  6. Step 6: Final answer
    x = 29,412.51

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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.