Home / 36,520.75-50,352.96-30,479.68

Finding the Fourth Proportional to 36,520.75, 50,352.96 and 30,479.68

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Solution

The fourth proportional to 36,520.75, 50,352.96 and 30,479.68 is: 42,023.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,520.75 : 50,352.96 = 30,479.68 : x
  2. Step 2: Convert to fraction form
    36,520.75/50,352.96 = 30,479.68/x
  3. Step 3: Cross multiply
    36,520.75x = 50,352.96 × 30,479.68
  4. Step 4: Simplify right side
    36,520.75x = 1,534,742,107.85
  5. Step 5: Solve for x
    x = 1,534,742,107.85/36,520.75
  6. Step 6: Final answer
    x = 42,023.84

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Double scale
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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.