Home / 34,738.64-47,942.12-19,634.45

Finding the Fourth Proportional to 34,738.64, 47,942.12 and 19,634.45

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Solution

The fourth proportional to 34,738.64, 47,942.12 and 19,634.45 is: 27,097.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,738.64 : 47,942.12 = 19,634.45 : x
  2. Step 2: Convert to fraction form
    34,738.64/47,942.12 = 19,634.45/x
  3. Step 3: Cross multiply
    34,738.64x = 47,942.12 × 19,634.45
  4. Step 4: Simplify right side
    34,738.64x = 941,316,967.41
  5. Step 5: Solve for x
    x = 941,316,967.41/34,738.64
  6. Step 6: Final answer
    x = 27,097.12

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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.