Home / 31,619.16-47,405.67-18,273.33

Finding the Fourth Proportional to 31,619.16, 47,405.67 and 18,273.33

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Solution

The fourth proportional to 31,619.16, 47,405.67 and 18,273.33 is: 27,396.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,619.16 : 47,405.67 = 18,273.33 : x
  2. Step 2: Convert to fraction form
    31,619.16/47,405.67 = 18,273.33/x
  3. Step 3: Cross multiply
    31,619.16x = 47,405.67 × 18,273.33
  4. Step 4: Simplify right side
    31,619.16x = 866,259,451.78
  5. Step 5: Solve for x
    x = 866,259,451.78/31,619.16
  6. Step 6: Final answer
    x = 27,396.66

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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.