Home / 20,614.50-30,889.35-14,361.30

Finding the Fourth Proportional to 20,614.50, 30,889.35 and 14,361.30

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Solution

The fourth proportional to 20,614.50, 30,889.35 and 14,361.30 is: 21,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614.50 : 30,889.35 = 14,361.30 : x
  2. Step 2: Convert to fraction form
    20,614.50/30,889.35 = 14,361.30/x
  3. Step 3: Cross multiply
    20,614.50x = 30,889.35 × 14,361.30
  4. Step 4: Simplify right side
    20,614.50x = 443,611,222.16
  5. Step 5: Solve for x
    x = 443,611,222.16/20,614.50
  6. Step 6: Final answer
    x = 21,519.38

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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.