Home / 43,674.30-65,511.45-20,346.30

Finding the Fourth Proportional to 43,674.30, 65,511.45 and 20,346.30

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Solution

The fourth proportional to 43,674.30, 65,511.45 and 20,346.30 is: 30,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,674.30 : 65,511.45 = 20,346.30 : x
  2. Step 2: Convert to fraction form
    43,674.30/65,511.45 = 20,346.30/x
  3. Step 3: Cross multiply
    43,674.30x = 65,511.45 × 20,346.30
  4. Step 4: Simplify right side
    43,674.30x = 1,332,915,615.14
  5. Step 5: Solve for x
    x = 1,332,915,615.14/43,674.30
  6. Step 6: Final answer
    x = 30,519.45

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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.