Home / 33,609.70-50,430.87-21,135.60

Finding the Fourth Proportional to 33,609.70, 50,430.87 and 21,135.60

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Solution

The fourth proportional to 33,609.70, 50,430.87 and 21,135.60 is: 31,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,609.70 : 50,430.87 = 21,135.60 : x
  2. Step 2: Convert to fraction form
    33,609.70/50,430.87 = 21,135.60/x
  3. Step 3: Cross multiply
    33,609.70x = 50,430.87 × 21,135.60
  4. Step 4: Simplify right side
    33,609.70x = 1,065,886,695.97
  5. Step 5: Solve for x
    x = 1,065,886,695.97/33,609.70
  6. Step 6: Final answer
    x = 31,713.66

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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.