Home / 43,910.21-65,865.48-10,630.22

Finding the Fourth Proportional to 43,910.21, 65,865.48 and 10,630.22

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Solution

The fourth proportional to 43,910.21, 65,865.48 and 10,630.22 is: 15,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,910.21 : 65,865.48 = 10,630.22 : x
  2. Step 2: Convert to fraction form
    43,910.21/65,865.48 = 10,630.22/x
  3. Step 3: Cross multiply
    43,910.21x = 65,865.48 × 10,630.22
  4. Step 4: Simplify right side
    43,910.21x = 700,164,213.48
  5. Step 5: Solve for x
    x = 700,164,213.48/43,910.21
  6. Step 6: Final answer
    x = 15,945.36

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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.