Home / 57,992.14-87,021.69-31,338.21

Finding the Fourth Proportional to 57,992.14, 87,021.69 and 31,338.21

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Solution

The fourth proportional to 57,992.14, 87,021.69 and 31,338.21 is: 47,025.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,992.14 : 87,021.69 = 31,338.21 : x
  2. Step 2: Convert to fraction form
    57,992.14/87,021.69 = 31,338.21/x
  3. Step 3: Cross multiply
    57,992.14x = 87,021.69 × 31,338.21
  4. Step 4: Simplify right side
    57,992.14x = 2,727,103,995.77
  5. Step 5: Solve for x
    x = 2,727,103,995.77/57,992.14
  6. Step 6: Final answer
    x = 47,025.41

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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.