Home / 39,992.06-59,901.83-18,900.27

Finding the Fourth Proportional to 39,992.06, 59,901.83 and 18,900.27

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Solution

The fourth proportional to 39,992.06, 59,901.83 and 18,900.27 is: 28,309.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,992.06 : 59,901.83 = 18,900.27 : x
  2. Step 2: Convert to fraction form
    39,992.06/59,901.83 = 18,900.27/x
  3. Step 3: Cross multiply
    39,992.06x = 59,901.83 × 18,900.27
  4. Step 4: Simplify right side
    39,992.06x = 1,132,160,665.99
  5. Step 5: Solve for x
    x = 1,132,160,665.99/39,992.06
  6. Step 6: Final answer
    x = 28,309.64

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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.