Home / 43,467.03-65,200.55-13,887.45

Finding the Fourth Proportional to 43,467.03, 65,200.55 and 13,887.45

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Solution

The fourth proportional to 43,467.03, 65,200.55 and 13,887.45 is: 20,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,467.03 : 65,200.55 = 13,887.45 : x
  2. Step 2: Convert to fraction form
    43,467.03/65,200.55 = 13,887.45/x
  3. Step 3: Cross multiply
    43,467.03x = 65,200.55 × 13,887.45
  4. Step 4: Simplify right side
    43,467.03x = 905,469,308.66
  5. Step 5: Solve for x
    x = 905,469,308.66/43,467.03
  6. Step 6: Final answer
    x = 20,831.18

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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.