Home / 36,319.83-50,118.30-20,187.60

Finding the Fourth Proportional to 36,319.83, 50,118.30 and 20,187.60

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Solution

The fourth proportional to 36,319.83, 50,118.30 and 20,187.60 is: 27,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,319.83 : 50,118.30 = 20,187.60 : x
  2. Step 2: Convert to fraction form
    36,319.83/50,118.30 = 20,187.60/x
  3. Step 3: Cross multiply
    36,319.83x = 50,118.30 × 20,187.60
  4. Step 4: Simplify right side
    36,319.83x = 1,011,768,193.08
  5. Step 5: Solve for x
    x = 1,011,768,193.08/36,319.83
  6. Step 6: Final answer
    x = 27,857.18

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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.