Home / 33,107.34-45,687.16-18,768.50

Finding the Fourth Proportional to 33,107.34, 45,687.16 and 18,768.50

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Solution

The fourth proportional to 33,107.34, 45,687.16 and 18,768.50 is: 25,899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,107.34 : 45,687.16 = 18,768.50 : x
  2. Step 2: Convert to fraction form
    33,107.34/45,687.16 = 18,768.50/x
  3. Step 3: Cross multiply
    33,107.34x = 45,687.16 × 18,768.50
  4. Step 4: Simplify right side
    33,107.34x = 857,479,462.46
  5. Step 5: Solve for x
    x = 857,479,462.46/33,107.34
  6. Step 6: Final answer
    x = 25,899.98

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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.