Home / 29,181.16-43,771.36-13,381.70

Finding the Fourth Proportional to 29,181.16, 43,771.36 and 13,381.70

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Solution

The fourth proportional to 29,181.16, 43,771.36 and 13,381.70 is: 20,072.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,181.16 : 43,771.36 = 13,381.70 : x
  2. Step 2: Convert to fraction form
    29,181.16/43,771.36 = 13,381.70/x
  3. Step 3: Cross multiply
    29,181.16x = 43,771.36 × 13,381.70
  4. Step 4: Simplify right side
    29,181.16x = 585,735,208.11
  5. Step 5: Solve for x
    x = 585,735,208.11/29,181.16
  6. Step 6: Final answer
    x = 20,072.38

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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.