Home / 45,243.40-62,447.34-29,121.64

Finding the Fourth Proportional to 45,243.40, 62,447.34 and 29,121.64

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Solution

The fourth proportional to 45,243.40, 62,447.34 and 29,121.64 is: 40,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,243.40 : 62,447.34 = 29,121.64 : x
  2. Step 2: Convert to fraction form
    45,243.40/62,447.34 = 29,121.64/x
  3. Step 3: Cross multiply
    45,243.40x = 62,447.34 × 29,121.64
  4. Step 4: Simplify right side
    45,243.40x = 1,818,568,954.44
  5. Step 5: Solve for x
    x = 1,818,568,954.44/45,243.40
  6. Step 6: Final answer
    x = 40,195.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.