Home / 40,452.08-60,668.39-20,720.48

Finding the Fourth Proportional to 40,452.08, 60,668.39 and 20,720.48

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Solution

The fourth proportional to 40,452.08, 60,668.39 and 20,720.48 is: 31,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,452.08 : 60,668.39 = 20,720.48 : x
  2. Step 2: Convert to fraction form
    40,452.08/60,668.39 = 20,720.48/x
  3. Step 3: Cross multiply
    40,452.08x = 60,668.39 × 20,720.48
  4. Step 4: Simplify right side
    40,452.08x = 1,257,077,910.09
  5. Step 5: Solve for x
    x = 1,257,077,910.09/40,452.08
  6. Step 6: Final answer
    x = 31,075.73

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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.