Home / 38,882.64-58,321.53-20,157.06

Finding the Fourth Proportional to 38,882.64, 58,321.53 and 20,157.06

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Solution

The fourth proportional to 38,882.64, 58,321.53 and 20,157.06 is: 30,234.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,882.64 : 58,321.53 = 20,157.06 : x
  2. Step 2: Convert to fraction form
    38,882.64/58,321.53 = 20,157.06/x
  3. Step 3: Cross multiply
    38,882.64x = 58,321.53 × 20,157.06
  4. Step 4: Simplify right side
    38,882.64x = 1,175,590,579.50
  5. Step 5: Solve for x
    x = 1,175,590,579.50/38,882.64
  6. Step 6: Final answer
    x = 30,234.33

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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.