Home / 30,771.62-46,090.47-20,229.74

Finding the Fourth Proportional to 30,771.62, 46,090.47 and 20,229.74

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Solution

The fourth proportional to 30,771.62, 46,090.47 and 20,229.74 is: 30,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,771.62 : 46,090.47 = 20,229.74 : x
  2. Step 2: Convert to fraction form
    30,771.62/46,090.47 = 20,229.74/x
  3. Step 3: Cross multiply
    30,771.62x = 46,090.47 × 20,229.74
  4. Step 4: Simplify right side
    30,771.62x = 932,398,224.58
  5. Step 5: Solve for x
    x = 932,398,224.58/30,771.62
  6. Step 6: Final answer
    x = 30,300.59

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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.