Home / 30,063.99-41,485.48-20,353.69

Finding the Fourth Proportional to 30,063.99, 41,485.48 and 20,353.69

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Solution

The fourth proportional to 30,063.99, 41,485.48 and 20,353.69 is: 28,086.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,063.99 : 41,485.48 = 20,353.69 : x
  2. Step 2: Convert to fraction form
    30,063.99/41,485.48 = 20,353.69/x
  3. Step 3: Cross multiply
    30,063.99x = 41,485.48 × 20,353.69
  4. Step 4: Simplify right side
    30,063.99x = 844,382,670.64
  5. Step 5: Solve for x
    x = 844,382,670.64/30,063.99
  6. Step 6: Final answer
    x = 28,086.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.