Home / 30,146.04-41,615.82-20,091.24

Finding the Fourth Proportional to 30,146.04, 41,615.82 and 20,091.24

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Solution

The fourth proportional to 30,146.04, 41,615.82 and 20,091.24 is: 27,735.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146.04 : 41,615.82 = 20,091.24 : x
  2. Step 2: Convert to fraction form
    30,146.04/41,615.82 = 20,091.24/x
  3. Step 3: Cross multiply
    30,146.04x = 41,615.82 × 20,091.24
  4. Step 4: Simplify right side
    30,146.04x = 836,113,427.42
  5. Step 5: Solve for x
    x = 836,113,427.42/30,146.04
  6. Step 6: Final answer
    x = 27,735.43

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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.