Home / 30,674.87-46,012.25-8,488.19

Finding the Fourth Proportional to 30,674.87, 46,012.25 and 8,488.19

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Solution

The fourth proportional to 30,674.87, 46,012.25 and 8,488.19 is: 12,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,674.87 : 46,012.25 = 8,488.19 : x
  2. Step 2: Convert to fraction form
    30,674.87/46,012.25 = 8,488.19/x
  3. Step 3: Cross multiply
    30,674.87x = 46,012.25 × 8,488.19
  4. Step 4: Simplify right side
    30,674.87x = 390,560,447.83
  5. Step 5: Solve for x
    x = 390,560,447.83/30,674.87
  6. Step 6: Final answer
    x = 12,732.26

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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.