Home / 36,690.12-50,631.39-20,776.08

Finding the Fourth Proportional to 36,690.12, 50,631.39 and 20,776.08

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Solution

The fourth proportional to 36,690.12, 50,631.39 and 20,776.08 is: 28,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690.12 : 50,631.39 = 20,776.08 : x
  2. Step 2: Convert to fraction form
    36,690.12/50,631.39 = 20,776.08/x
  3. Step 3: Cross multiply
    36,690.12x = 50,631.39 × 20,776.08
  4. Step 4: Simplify right side
    36,690.12x = 1,051,921,809.15
  5. Step 5: Solve for x
    x = 1,051,921,809.15/36,690.12
  6. Step 6: Final answer
    x = 28,670.44

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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.