Home / 47,770.80-71,656.90-18,190.27

Finding the Fourth Proportional to 47,770.80, 71,656.90 and 18,190.27

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Solution

The fourth proportional to 47,770.80, 71,656.90 and 18,190.27 is: 27,285.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,770.80 : 71,656.90 = 18,190.27 : x
  2. Step 2: Convert to fraction form
    47,770.80/71,656.90 = 18,190.27/x
  3. Step 3: Cross multiply
    47,770.80x = 71,656.90 × 18,190.27
  4. Step 4: Simplify right side
    47,770.80x = 1,303,458,358.36
  5. Step 5: Solve for x
    x = 1,303,458,358.36/47,770.80
  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.