Home / 43,546.25-65,322.75-13,556.72

Finding the Fourth Proportional to 43,546.25, 65,322.75 and 13,556.72

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Solution

The fourth proportional to 43,546.25, 65,322.75 and 13,556.72 is: 20,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,546.25 : 65,322.75 = 13,556.72 : x
  2. Step 2: Convert to fraction form
    43,546.25/65,322.75 = 13,556.72/x
  3. Step 3: Cross multiply
    43,546.25x = 65,322.75 × 13,556.72
  4. Step 4: Simplify right side
    43,546.25x = 885,562,231.38
  5. Step 5: Solve for x
    x = 885,562,231.38/43,546.25
  6. Step 6: Final answer
    x = 20,336.13

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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.