Home / 33,113.80-49,671.90-9,742.60

Finding the Fourth Proportional to 33,113.80, 49,671.90 and 9,742.60

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Solution

The fourth proportional to 33,113.80, 49,671.90 and 9,742.60 is: 14,614.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,113.80 : 49,671.90 = 9,742.60 : x
  2. Step 2: Convert to fraction form
    33,113.80/49,671.90 = 9,742.60/x
  3. Step 3: Cross multiply
    33,113.80x = 49,671.90 × 9,742.60
  4. Step 4: Simplify right side
    33,113.80x = 483,933,452.94
  5. Step 5: Solve for x
    x = 483,933,452.94/33,113.80
  6. Step 6: Final answer
    x = 14,614.25

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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.