Home / 34,050.78-46,989.18-18,943.47

Finding the Fourth Proportional to 34,050.78, 46,989.18 and 18,943.47

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Solution

The fourth proportional to 34,050.78, 46,989.18 and 18,943.47 is: 26,141.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,050.78 : 46,989.18 = 18,943.47 : x
  2. Step 2: Convert to fraction form
    34,050.78/46,989.18 = 18,943.47/x
  3. Step 3: Cross multiply
    34,050.78x = 46,989.18 × 18,943.47
  4. Step 4: Simplify right side
    34,050.78x = 890,138,121.65
  5. Step 5: Solve for x
    x = 890,138,121.65/34,050.78
  6. Step 6: Final answer
    x = 26,141.49

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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.