Home / 31,199.06-46,749.38-11,450.45

Finding the Fourth Proportional to 31,199.06, 46,749.38 and 11,450.45

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Solution

The fourth proportional to 31,199.06, 46,749.38 and 11,450.45 is: 17,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,199.06 : 46,749.38 = 11,450.45 : x
  2. Step 2: Convert to fraction form
    31,199.06/46,749.38 = 11,450.45/x
  3. Step 3: Cross multiply
    31,199.06x = 46,749.38 × 11,450.45
  4. Step 4: Simplify right side
    31,199.06x = 535,301,147.22
  5. Step 5: Solve for x
    x = 535,301,147.22/31,199.06
  6. Step 6: Final answer
    x = 17,157.61

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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.