Home / 36,458.10-50,311.26-21,147.35

Finding the Fourth Proportional to 36,458.10, 50,311.26 and 21,147.35

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Solution

The fourth proportional to 36,458.10, 50,311.26 and 21,147.35 is: 29,182.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,458.10 : 50,311.26 = 21,147.35 : x
  2. Step 2: Convert to fraction form
    36,458.10/50,311.26 = 21,147.35/x
  3. Step 3: Cross multiply
    36,458.10x = 50,311.26 × 21,147.35
  4. Step 4: Simplify right side
    36,458.10x = 1,063,949,824.16
  5. Step 5: Solve for x
    x = 1,063,949,824.16/36,458.10
  6. Step 6: Final answer
    x = 29,182.81

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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.