Home / 34,749.66-47,954.21-19,642.05

Finding the Fourth Proportional to 34,749.66, 47,954.21 and 19,642.05

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Solution

The fourth proportional to 34,749.66, 47,954.21 and 19,642.05 is: 27,105.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,749.66 : 47,954.21 = 19,642.05 : x
  2. Step 2: Convert to fraction form
    34,749.66/47,954.21 = 19,642.05/x
  3. Step 3: Cross multiply
    34,749.66x = 47,954.21 × 19,642.05
  4. Step 4: Simplify right side
    34,749.66x = 941,918,892.32
  5. Step 5: Solve for x
    x = 941,918,892.32/34,749.66
  6. Step 6: Final answer
    x = 27,105.84

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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.