Home / 46,949-64,769.82-29,012.90

Finding the Fourth Proportional to 46,949, 64,769.82 and 29,012.90

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Solution

The fourth proportional to 46,949, 64,769.82 and 29,012.90 is: 40,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,949 : 64,769.82 = 29,012.90 : x
  2. Step 2: Convert to fraction form
    46,949/64,769.82 = 29,012.90/x
  3. Step 3: Cross multiply
    46,949x = 64,769.82 × 29,012.90
  4. Step 4: Simplify right side
    46,949x = 1,879,160,310.68
  5. Step 5: Solve for x
    x = 1,879,160,310.68/46,949
  6. Step 6: Final answer
    x = 40,025.57

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1.5x scale

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.