Home / 43,161.51-64,742.13-19,441.29

Finding the Fourth Proportional to 43,161.51, 64,742.13 and 19,441.29

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Solution

The fourth proportional to 43,161.51, 64,742.13 and 19,441.29 is: 29,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,161.51 : 64,742.13 = 19,441.29 : x
  2. Step 2: Convert to fraction form
    43,161.51/64,742.13 = 19,441.29/x
  3. Step 3: Cross multiply
    43,161.51x = 64,742.13 × 19,441.29
  4. Step 4: Simplify right side
    43,161.51x = 1,258,670,524.55
  5. Step 5: Solve for x
    x = 1,258,670,524.55/43,161.51
  6. Step 6: Final answer
    x = 29,161.87

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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.