Home / 49,954.07-74,960.66-18,386.30

Finding the Fourth Proportional to 49,954.07, 74,960.66 and 18,386.30

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Solution

The fourth proportional to 49,954.07, 74,960.66 and 18,386.30 is: 27,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,954.07 : 74,960.66 = 18,386.30 : x
  2. Step 2: Convert to fraction form
    49,954.07/74,960.66 = 18,386.30/x
  3. Step 3: Cross multiply
    49,954.07x = 74,960.66 × 18,386.30
  4. Step 4: Simplify right side
    49,954.07x = 1,378,249,137.88
  5. Step 5: Solve for x
    x = 1,378,249,137.88/49,954.07
  6. Step 6: Final answer
    x = 27,590.33

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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.