Home / 38,350.56-52,922.34-21,355.41

Finding the Fourth Proportional to 38,350.56, 52,922.34 and 21,355.41

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Solution

The fourth proportional to 38,350.56, 52,922.34 and 21,355.41 is: 29,469.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,350.56 : 52,922.34 = 21,355.41 : x
  2. Step 2: Convert to fraction form
    38,350.56/52,922.34 = 21,355.41/x
  3. Step 3: Cross multiply
    38,350.56x = 52,922.34 × 21,355.41
  4. Step 4: Simplify right side
    38,350.56x = 1,130,178,268.86
  5. Step 5: Solve for x
    x = 1,130,178,268.86/38,350.56
  6. Step 6: Final answer
    x = 29,469.67

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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.