Home / 43,850.40-65,768.30-15,764.74

Finding the Fourth Proportional to 43,850.40, 65,768.30 and 15,764.74

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Solution

The fourth proportional to 43,850.40, 65,768.30 and 15,764.74 is: 23,644.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,850.40 : 65,768.30 = 15,764.74 : x
  2. Step 2: Convert to fraction form
    43,850.40/65,768.30 = 15,764.74/x
  3. Step 3: Cross multiply
    43,850.40x = 65,768.30 × 15,764.74
  4. Step 4: Simplify right side
    43,850.40x = 1,036,820,149.74
  5. Step 5: Solve for x
    x = 1,036,820,149.74/43,850.40
  6. Step 6: Final answer
    x = 23,644.49

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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.