Home / 20,301.64-30,440.91-16,129.33

Finding the Fourth Proportional to 20,301.64, 30,440.91 and 16,129.33

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Solution

The fourth proportional to 20,301.64, 30,440.91 and 16,129.33 is: 24,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301.64 : 30,440.91 = 16,129.33 : x
  2. Step 2: Convert to fraction form
    20,301.64/30,440.91 = 16,129.33/x
  3. Step 3: Cross multiply
    20,301.64x = 30,440.91 × 16,129.33
  4. Step 4: Simplify right side
    20,301.64x = 490,991,467.27
  5. Step 5: Solve for x
    x = 490,991,467.27/20,301.64
  6. Step 6: Final answer
    x = 24,184.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.