Home / 43,662.48-65,506.68-20,302.80

Finding the Fourth Proportional to 43,662.48, 65,506.68 and 20,302.80

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Solution

The fourth proportional to 43,662.48, 65,506.68 and 20,302.80 is: 30,460.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,662.48 : 65,506.68 = 20,302.80 : x
  2. Step 2: Convert to fraction form
    43,662.48/65,506.68 = 20,302.80/x
  3. Step 3: Cross multiply
    43,662.48x = 65,506.68 × 20,302.80
  4. Step 4: Simplify right side
    43,662.48x = 1,329,969,022.70
  5. Step 5: Solve for x
    x = 1,329,969,022.70/43,662.48
  6. Step 6: Final answer
    x = 30,460.23

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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.