Home / 38,688.21-57,933.72-25,500.60

Finding the Fourth Proportional to 38,688.21, 57,933.72 and 25,500.60

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Solution

The fourth proportional to 38,688.21, 57,933.72 and 25,500.60 is: 38,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,688.21 : 57,933.72 = 25,500.60 : x
  2. Step 2: Convert to fraction form
    38,688.21/57,933.72 = 25,500.60/x
  3. Step 3: Cross multiply
    38,688.21x = 57,933.72 × 25,500.60
  4. Step 4: Simplify right side
    38,688.21x = 1,477,344,620.23
  5. Step 5: Solve for x
    x = 1,477,344,620.23/38,688.21
  6. Step 6: Final answer
    x = 38,185.91

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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.