Home / 31,181.92-46,771.47-11,459.04

Finding the Fourth Proportional to 31,181.92, 46,771.47 and 11,459.04

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Solution

The fourth proportional to 31,181.92, 46,771.47 and 11,459.04 is: 17,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,181.92 : 46,771.47 = 11,459.04 : x
  2. Step 2: Convert to fraction form
    31,181.92/46,771.47 = 11,459.04/x
  3. Step 3: Cross multiply
    31,181.92x = 46,771.47 × 11,459.04
  4. Step 4: Simplify right side
    31,181.92x = 535,956,145.59
  5. Step 5: Solve for x
    x = 535,956,145.59/31,181.92
  6. Step 6: Final answer
    x = 17,188.04

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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.