Home / 46,619.94-69,918.12-13,340.16

Finding the Fourth Proportional to 46,619.94, 69,918.12 and 13,340.16

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Solution

The fourth proportional to 46,619.94, 69,918.12 and 13,340.16 is: 20,006.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,619.94 : 69,918.12 = 13,340.16 : x
  2. Step 2: Convert to fraction form
    46,619.94/69,918.12 = 13,340.16/x
  3. Step 3: Cross multiply
    46,619.94x = 69,918.12 × 13,340.16
  4. Step 4: Simplify right side
    46,619.94x = 932,718,907.70
  5. Step 5: Solve for x
    x = 932,718,907.70/46,619.94
  6. Step 6: Final answer
    x = 20,006.87

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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.