Home / 43,375.50-65,089.98-20,003.76

Finding the Fourth Proportional to 43,375.50, 65,089.98 and 20,003.76

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Solution

The fourth proportional to 43,375.50, 65,089.98 and 20,003.76 is: 30,017.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,375.50 : 65,089.98 = 20,003.76 : x
  2. Step 2: Convert to fraction form
    43,375.50/65,089.98 = 20,003.76/x
  3. Step 3: Cross multiply
    43,375.50x = 65,089.98 × 20,003.76
  4. Step 4: Simplify right side
    43,375.50x = 1,302,044,338.32
  5. Step 5: Solve for x
    x = 1,302,044,338.32/43,375.50
  6. Step 6: Final answer
    x = 30,017.97

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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.