Home / 43,661.48-65,505.18-20,301.80

Finding the Fourth Proportional to 43,661.48, 65,505.18 and 20,301.80

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Solution

The fourth proportional to 43,661.48, 65,505.18 and 20,301.80 is: 30,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,661.48 : 65,505.18 = 20,301.80 : x
  2. Step 2: Convert to fraction form
    43,661.48/65,505.18 = 20,301.80/x
  3. Step 3: Cross multiply
    43,661.48x = 65,505.18 × 20,301.80
  4. Step 4: Simplify right side
    43,661.48x = 1,329,873,063.32
  5. Step 5: Solve for x
    x = 1,329,873,063.32/43,661.48
  6. Step 6: Final answer
    x = 30,458.73

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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.