Home / 31,181.14-46,776.34-11,458.16

Finding the Fourth Proportional to 31,181.14, 46,776.34 and 11,458.16

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Solution

The fourth proportional to 31,181.14, 46,776.34 and 11,458.16 is: 17,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,181.14 : 46,776.34 = 11,458.16 : x
  2. Step 2: Convert to fraction form
    31,181.14/46,776.34 = 11,458.16/x
  3. Step 3: Cross multiply
    31,181.14x = 46,776.34 × 11,458.16
  4. Step 4: Simplify right side
    31,181.14x = 535,970,743.79
  5. Step 5: Solve for x
    x = 535,970,743.79/31,181.14
  6. Step 6: Final answer
    x = 17,188.94

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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.