Home / 36,645.22-50,570.42-20,729.32

Finding the Fourth Proportional to 36,645.22, 50,570.42 and 20,729.32

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Solution

The fourth proportional to 36,645.22, 50,570.42 and 20,729.32 is: 28,606.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,645.22 : 50,570.42 = 20,729.32 : x
  2. Step 2: Convert to fraction form
    36,645.22/50,570.42 = 20,729.32/x
  3. Step 3: Cross multiply
    36,645.22x = 50,570.42 × 20,729.32
  4. Step 4: Simplify right side
    36,645.22x = 1,048,290,418.71
  5. Step 5: Solve for x
    x = 1,048,290,418.71/36,645.22
  6. Step 6: Final answer
    x = 28,606.47

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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.