Home / 31,994.58-44,166.68-20,669.60

Finding the Fourth Proportional to 31,994.58, 44,166.68 and 20,669.60

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Solution

The fourth proportional to 31,994.58, 44,166.68 and 20,669.60 is: 28,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,994.58 : 44,166.68 = 20,669.60 : x
  2. Step 2: Convert to fraction form
    31,994.58/44,166.68 = 20,669.60/x
  3. Step 3: Cross multiply
    31,994.58x = 44,166.68 × 20,669.60
  4. Step 4: Simplify right side
    31,994.58x = 912,907,284.75
  5. Step 5: Solve for x
    x = 912,907,284.75/31,994.58
  6. Step 6: Final answer
    x = 28,533.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.