Home / 41,245.80-61,868.70-30,748.20

Finding the Fourth Proportional to 41,245.80, 61,868.70 and 30,748.20

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Solution

The fourth proportional to 41,245.80, 61,868.70 and 30,748.20 is: 46,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,245.80 : 61,868.70 = 30,748.20 : x
  2. Step 2: Convert to fraction form
    41,245.80/61,868.70 = 30,748.20/x
  3. Step 3: Cross multiply
    41,245.80x = 61,868.70 × 30,748.20
  4. Step 4: Simplify right side
    41,245.80x = 1,902,351,161.34
  5. Step 5: Solve for x
    x = 1,902,351,161.34/41,245.80
  6. Step 6: Final answer
    x = 46,122.30

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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.