Home / 36,431.33-50,275.23-20,515.46

Finding the Fourth Proportional to 36,431.33, 50,275.23 and 20,515.46

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Solution

The fourth proportional to 36,431.33, 50,275.23 and 20,515.46 is: 28,311.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,431.33 : 50,275.23 = 20,515.46 : x
  2. Step 2: Convert to fraction form
    36,431.33/50,275.23 = 20,515.46/x
  3. Step 3: Cross multiply
    36,431.33x = 50,275.23 × 20,515.46
  4. Step 4: Simplify right side
    36,431.33x = 1,031,419,470.06
  5. Step 5: Solve for x
    x = 1,031,419,470.06/36,431.33
  6. Step 6: Final answer
    x = 28,311.33

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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.