Home / 33,017.90-45,560.27-18,679.68

Finding the Fourth Proportional to 33,017.90, 45,560.27 and 18,679.68

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Solution

The fourth proportional to 33,017.90, 45,560.27 and 18,679.68 is: 25,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,017.90 : 45,560.27 = 18,679.68 : x
  2. Step 2: Convert to fraction form
    33,017.90/45,560.27 = 18,679.68/x
  3. Step 3: Cross multiply
    33,017.90x = 45,560.27 × 18,679.68
  4. Step 4: Simplify right side
    33,017.90x = 851,051,311.01
  5. Step 5: Solve for x
    x = 851,051,311.01/33,017.90
  6. Step 6: Final answer
    x = 25,775.46

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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.