Home / 38,101.32-57,173.58-20,570.76

Finding the Fourth Proportional to 38,101.32, 57,173.58 and 20,570.76

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Solution

The fourth proportional to 38,101.32, 57,173.58 and 20,570.76 is: 30,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,101.32 : 57,173.58 = 20,570.76 : x
  2. Step 2: Convert to fraction form
    38,101.32/57,173.58 = 20,570.76/x
  3. Step 3: Cross multiply
    38,101.32x = 57,173.58 × 20,570.76
  4. Step 4: Simplify right side
    38,101.32x = 1,176,103,992.52
  5. Step 5: Solve for x
    x = 1,176,103,992.52/38,101.32
  6. Step 6: Final answer
    x = 30,867.80

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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.