Home / 43,550.01-65,321.37-13,959.90

Finding the Fourth Proportional to 43,550.01, 65,321.37 and 13,959.90

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Solution

The fourth proportional to 43,550.01, 65,321.37 and 13,959.90 is: 20,938.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,550.01 : 65,321.37 = 13,959.90 : x
  2. Step 2: Convert to fraction form
    43,550.01/65,321.37 = 13,959.90/x
  3. Step 3: Cross multiply
    43,550.01x = 65,321.37 × 13,959.90
  4. Step 4: Simplify right side
    43,550.01x = 911,879,793.06
  5. Step 5: Solve for x
    x = 911,879,793.06/43,550.01
  6. Step 6: Final answer
    x = 20,938.68

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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.