Home / 35,819.30-53,729.40-10,859.60

Finding the Fourth Proportional to 35,819.30, 53,729.40 and 10,859.60

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Solution

The fourth proportional to 35,819.30, 53,729.40 and 10,859.60 is: 16,289.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,819.30 : 53,729.40 = 10,859.60 : x
  2. Step 2: Convert to fraction form
    35,819.30/53,729.40 = 10,859.60/x
  3. Step 3: Cross multiply
    35,819.30x = 53,729.40 × 10,859.60
  4. Step 4: Simplify right side
    35,819.30x = 583,479,792.24
  5. Step 5: Solve for x
    x = 583,479,792.24/35,819.30
  6. Step 6: Final answer
    x = 16,289.54

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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.