Home / 30,771.09-42,460.97-17,344.44

Finding the Fourth Proportional to 30,771.09, 42,460.97 and 17,344.44

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Solution

The fourth proportional to 30,771.09, 42,460.97 and 17,344.44 is: 23,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,771.09 : 42,460.97 = 17,344.44 : x
  2. Step 2: Convert to fraction form
    30,771.09/42,460.97 = 17,344.44/x
  3. Step 3: Cross multiply
    30,771.09x = 42,460.97 × 17,344.44
  4. Step 4: Simplify right side
    30,771.09x = 736,461,659.78
  5. Step 5: Solve for x
    x = 736,461,659.78/30,771.09
  6. Step 6: Final answer
    x = 23,933.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.