Home / 45,109.26-67,668.44-15,523.20

Finding the Fourth Proportional to 45,109.26, 67,668.44 and 15,523.20

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Solution

The fourth proportional to 45,109.26, 67,668.44 and 15,523.20 is: 23,286.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,109.26 : 67,668.44 = 15,523.20 : x
  2. Step 2: Convert to fraction form
    45,109.26/67,668.44 = 15,523.20/x
  3. Step 3: Cross multiply
    45,109.26x = 67,668.44 × 15,523.20
  4. Step 4: Simplify right side
    45,109.26x = 1,050,430,650.19
  5. Step 5: Solve for x
    x = 1,050,430,650.19/45,109.26
  6. Step 6: Final answer
    x = 23,286.36

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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.