Home / 20,466.42-30,704.12-18,399.71

Finding the Fourth Proportional to 20,466.42, 30,704.12 and 18,399.71

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Solution

The fourth proportional to 20,466.42, 30,704.12 and 18,399.71 is: 27,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466.42 : 30,704.12 = 18,399.71 : x
  2. Step 2: Convert to fraction form
    20,466.42/30,704.12 = 18,399.71/x
  3. Step 3: Cross multiply
    20,466.42x = 30,704.12 × 18,399.71
  4. Step 4: Simplify right side
    20,466.42x = 564,946,903.81
  5. Step 5: Solve for x
    x = 564,946,903.81/20,466.42
  6. Step 6: Final answer
    x = 27,603.60

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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.