Home / 38,005.20-57,007.80-36,190.80

Finding the Fourth Proportional to 38,005.20, 57,007.80 and 36,190.80

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Solution

The fourth proportional to 38,005.20, 57,007.80 and 36,190.80 is: 54,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005.20 : 57,007.80 = 36,190.80 : x
  2. Step 2: Convert to fraction form
    38,005.20/57,007.80 = 36,190.80/x
  3. Step 3: Cross multiply
    38,005.20x = 57,007.80 × 36,190.80
  4. Step 4: Simplify right side
    38,005.20x = 2,063,157,888.24
  5. Step 5: Solve for x
    x = 2,063,157,888.24/38,005.20
  6. Step 6: Final answer
    x = 54,286.20

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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.