Home / 36,316.91-50,102.96-21,000.67

Finding the Fourth Proportional to 36,316.91, 50,102.96 and 21,000.67

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Solution

The fourth proportional to 36,316.91, 50,102.96 and 21,000.67 is: 28,972.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,316.91 : 50,102.96 = 21,000.67 : x
  2. Step 2: Convert to fraction form
    36,316.91/50,102.96 = 21,000.67/x
  3. Step 3: Cross multiply
    36,316.91x = 50,102.96 × 21,000.67
  4. Step 4: Simplify right side
    36,316.91x = 1,052,195,498.72
  5. Step 5: Solve for x
    x = 1,052,195,498.72/36,316.91
  6. Step 6: Final answer
    x = 28,972.61

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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.