Home / 36,770.12-50,743.64-20,855.64

Finding the Fourth Proportional to 36,770.12, 50,743.64 and 20,855.64

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Solution

The fourth proportional to 36,770.12, 50,743.64 and 20,855.64 is: 28,781.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,770.12 : 50,743.64 = 20,855.64 : x
  2. Step 2: Convert to fraction form
    36,770.12/50,743.64 = 20,855.64/x
  3. Step 3: Cross multiply
    36,770.12x = 50,743.64 × 20,855.64
  4. Step 4: Simplify right side
    36,770.12x = 1,058,291,088.13
  5. Step 5: Solve for x
    x = 1,058,291,088.13/36,770.12
  6. Step 6: Final answer
    x = 28,781.28

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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.