Home / 33,028-45,580.56-18,885.28

Finding the Fourth Proportional to 33,028, 45,580.56 and 18,885.28

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Solution

The fourth proportional to 33,028, 45,580.56 and 18,885.28 is: 26,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,028 : 45,580.56 = 18,885.28 : x
  2. Step 2: Convert to fraction form
    33,028/45,580.56 = 18,885.28/x
  3. Step 3: Cross multiply
    33,028x = 45,580.56 × 18,885.28
  4. Step 4: Simplify right side
    33,028x = 860,801,638.16
  5. Step 5: Solve for x
    x = 860,801,638.16/33,028
  6. Step 6: Final answer
    x = 26,062.78

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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.