Home / 40,821.99-61,256.39-15,858.83

Finding the Fourth Proportional to 40,821.99, 61,256.39 and 15,858.83

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Solution

The fourth proportional to 40,821.99, 61,256.39 and 15,858.83 is: 23,797.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,821.99 : 61,256.39 = 15,858.83 : x
  2. Step 2: Convert to fraction form
    40,821.99/61,256.39 = 15,858.83/x
  3. Step 3: Cross multiply
    40,821.99x = 61,256.39 × 15,858.83
  4. Step 4: Simplify right side
    40,821.99x = 971,454,289.85
  5. Step 5: Solve for x
    x = 971,454,289.85/40,821.99
  6. Step 6: Final answer
    x = 23,797.33

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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.