Home / 36,950.60-55,419.41-11,987.01

Finding the Fourth Proportional to 36,950.60, 55,419.41 and 11,987.01

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Solution

The fourth proportional to 36,950.60, 55,419.41 and 11,987.01 is: 17,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,950.60 : 55,419.41 = 11,987.01 : x
  2. Step 2: Convert to fraction form
    36,950.60/55,419.41 = 11,987.01/x
  3. Step 3: Cross multiply
    36,950.60x = 55,419.41 × 11,987.01
  4. Step 4: Simplify right side
    36,950.60x = 664,313,051.83
  5. Step 5: Solve for x
    x = 664,313,051.83/36,950.60
  6. Step 6: Final answer
    x = 17,978.41

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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.