Home / 46,012.92-69,022.28-12,278.31

Finding the Fourth Proportional to 46,012.92, 69,022.28 and 12,278.31

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Solution

The fourth proportional to 46,012.92, 69,022.28 and 12,278.31 is: 18,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,012.92 : 69,022.28 = 12,278.31 : x
  2. Step 2: Convert to fraction form
    46,012.92/69,022.28 = 12,278.31/x
  3. Step 3: Cross multiply
    46,012.92x = 69,022.28 × 12,278.31
  4. Step 4: Simplify right side
    46,012.92x = 847,476,950.75
  5. Step 5: Solve for x
    x = 847,476,950.75/46,012.92
  6. Step 6: Final answer
    x = 18,418.24

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1.5x scale

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.