Home / 33,102.90-45,670.59-18,760.68

Finding the Fourth Proportional to 33,102.90, 45,670.59 and 18,760.68

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Solution

The fourth proportional to 33,102.90, 45,670.59 and 18,760.68 is: 25,883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,102.90 : 45,670.59 = 18,760.68 : x
  2. Step 2: Convert to fraction form
    33,102.90/45,670.59 = 18,760.68/x
  3. Step 3: Cross multiply
    33,102.90x = 45,670.59 × 18,760.68
  4. Step 4: Simplify right side
    33,102.90x = 856,811,324.40
  5. Step 5: Solve for x
    x = 856,811,324.40/33,102.90
  6. Step 6: Final answer
    x = 25,883.27

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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.