Home / 31,245.55-46,870.85-10,185.19

Finding the Fourth Proportional to 31,245.55, 46,870.85 and 10,185.19

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Solution

The fourth proportional to 31,245.55, 46,870.85 and 10,185.19 is: 15,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,245.55 : 46,870.85 = 10,185.19 : x
  2. Step 2: Convert to fraction form
    31,245.55/46,870.85 = 10,185.19/x
  3. Step 3: Cross multiply
    31,245.55x = 46,870.85 × 10,185.19
  4. Step 4: Simplify right side
    31,245.55x = 477,388,684.65
  5. Step 5: Solve for x
    x = 477,388,684.65/31,245.55
  6. Step 6: Final answer
    x = 15,278.61

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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.