Home / 38,052.42-57,095.04-20,518.20

Finding the Fourth Proportional to 38,052.42, 57,095.04 and 20,518.20

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Solution

The fourth proportional to 38,052.42, 57,095.04 and 20,518.20 is: 30,786.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,052.42 : 57,095.04 = 20,518.20 : x
  2. Step 2: Convert to fraction form
    38,052.42/57,095.04 = 20,518.20/x
  3. Step 3: Cross multiply
    38,052.42x = 57,095.04 × 20,518.20
  4. Step 4: Simplify right side
    38,052.42x = 1,171,487,449.73
  5. Step 5: Solve for x
    x = 1,171,487,449.73/38,052.42
  6. Step 6: Final answer
    x = 30,786.15

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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.