Home / 20,194.10-30,296.55-18,017.90

Finding the Fourth Proportional to 20,194.10, 30,296.55 and 18,017.90

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Solution

The fourth proportional to 20,194.10, 30,296.55 and 18,017.90 is: 27,031.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.10 : 30,296.55 = 18,017.90 : x
  2. Step 2: Convert to fraction form
    20,194.10/30,296.55 = 18,017.90/x
  3. Step 3: Cross multiply
    20,194.10x = 30,296.55 × 18,017.90
  4. Step 4: Simplify right side
    20,194.10x = 545,880,208.25
  5. Step 5: Solve for x
    x = 545,880,208.25/20,194.10
  6. Step 6: Final answer
    x = 27,031.67

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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.