Home / 36,700.08-50,647.05-20,784.30

Finding the Fourth Proportional to 36,700.08, 50,647.05 and 20,784.30

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Solution

The fourth proportional to 36,700.08, 50,647.05 and 20,784.30 is: 28,682.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,700.08 : 50,647.05 = 20,784.30 : x
  2. Step 2: Convert to fraction form
    36,700.08/50,647.05 = 20,784.30/x
  3. Step 3: Cross multiply
    36,700.08x = 50,647.05 × 20,784.30
  4. Step 4: Simplify right side
    36,700.08x = 1,052,663,481.32
  5. Step 5: Solve for x
    x = 1,052,663,481.32/36,700.08
  6. Step 6: Final answer
    x = 28,682.87

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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.