Home / 47,189.34-70,751.21-20,879.73

Finding the Fourth Proportional to 47,189.34, 70,751.21 and 20,879.73

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Solution

The fourth proportional to 47,189.34, 70,751.21 and 20,879.73 is: 31,305.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,189.34 : 70,751.21 = 20,879.73 : x
  2. Step 2: Convert to fraction form
    47,189.34/70,751.21 = 20,879.73/x
  3. Step 3: Cross multiply
    47,189.34x = 70,751.21 × 20,879.73
  4. Step 4: Simplify right side
    47,189.34x = 1,477,266,057.57
  5. Step 5: Solve for x
    x = 1,477,266,057.57/47,189.34
  6. Step 6: Final answer
    x = 31,305.08

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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.