Home / 41,215.60-61,802.70-20,157.22

Finding the Fourth Proportional to 41,215.60, 61,802.70 and 20,157.22

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Solution

The fourth proportional to 41,215.60, 61,802.70 and 20,157.22 is: 30,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,215.60 : 61,802.70 = 20,157.22 : x
  2. Step 2: Convert to fraction form
    41,215.60/61,802.70 = 20,157.22/x
  3. Step 3: Cross multiply
    41,215.60x = 61,802.70 × 20,157.22
  4. Step 4: Simplify right side
    41,215.60x = 1,245,770,620.49
  5. Step 5: Solve for x
    x = 1,245,770,620.49/41,215.60
  6. Step 6: Final answer
    x = 30,225.71

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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.