Home / 36,909.16-50,932.74-20,138.92

Finding the Fourth Proportional to 36,909.16, 50,932.74 and 20,138.92

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Solution

The fourth proportional to 36,909.16, 50,932.74 and 20,138.92 is: 27,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,909.16 : 50,932.74 = 20,138.92 : x
  2. Step 2: Convert to fraction form
    36,909.16/50,932.74 = 20,138.92/x
  3. Step 3: Cross multiply
    36,909.16x = 50,932.74 × 20,138.92
  4. Step 4: Simplify right side
    36,909.16x = 1,025,730,376.24
  5. Step 5: Solve for x
    x = 1,025,730,376.24/36,909.16
  6. Step 6: Final answer
    x = 27,790.67

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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.