Home / 39,917.32-59,885.58-20,195.32

Finding the Fourth Proportional to 39,917.32, 59,885.58 and 20,195.32

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Solution

The fourth proportional to 39,917.32, 59,885.58 and 20,195.32 is: 30,297.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.32 : 59,885.58 = 20,195.32 : x
  2. Step 2: Convert to fraction form
    39,917.32/59,885.58 = 20,195.32/x
  3. Step 3: Cross multiply
    39,917.32x = 59,885.58 × 20,195.32
  4. Step 4: Simplify right side
    39,917.32x = 1,209,408,451.49
  5. Step 5: Solve for x
    x = 1,209,408,451.49/39,917.32
  6. Step 6: Final answer
    x = 30,297.84

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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.