Home / 55,651.55-83,440.40-18,198.50

Finding the Fourth Proportional to 55,651.55, 83,440.40 and 18,198.50

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Solution

The fourth proportional to 55,651.55, 83,440.40 and 18,198.50 is: 27,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,651.55 : 83,440.40 = 18,198.50 : x
  2. Step 2: Convert to fraction form
    55,651.55/83,440.40 = 18,198.50/x
  3. Step 3: Cross multiply
    55,651.55x = 83,440.40 × 18,198.50
  4. Step 4: Simplify right side
    55,651.55x = 1,518,489,611.21
  5. Step 5: Solve for x
    x = 1,518,489,611.21/55,651.55
  6. Step 6: Final answer
    x = 27,285.67

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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.