Home / 31,334.28-46,986.48-18,190.32

Finding the Fourth Proportional to 31,334.28, 46,986.48 and 18,190.32

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Solution

The fourth proportional to 31,334.28, 46,986.48 and 18,190.32 is: 27,276.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.28 : 46,986.48 = 18,190.32 : x
  2. Step 2: Convert to fraction form
    31,334.28/46,986.48 = 18,190.32/x
  3. Step 3: Cross multiply
    31,334.28x = 46,986.48 × 18,190.32
  4. Step 4: Simplify right side
    31,334.28x = 854,699,106.87
  5. Step 5: Solve for x
    x = 854,699,106.87/31,334.28
  6. Step 6: Final answer
    x = 27,276.81

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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.