Home / 43,679.58-65,553.39-30,445.80

Finding the Fourth Proportional to 43,679.58, 65,553.39 and 30,445.80

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Solution

The fourth proportional to 43,679.58, 65,553.39 and 30,445.80 is: 45,692.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,679.58 : 65,553.39 = 30,445.80 : x
  2. Step 2: Convert to fraction form
    43,679.58/65,553.39 = 30,445.80/x
  3. Step 3: Cross multiply
    43,679.58x = 65,553.39 × 30,445.80
  4. Step 4: Simplify right side
    43,679.58x = 1,995,825,401.26
  5. Step 5: Solve for x
    x = 1,995,825,401.26/43,679.58
  6. Step 6: Final answer
    x = 45,692.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.