Home / 39,694.20-59,546.59-20,975.01

Finding the Fourth Proportional to 39,694.20, 59,546.59 and 20,975.01

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Solution

The fourth proportional to 39,694.20, 59,546.59 and 20,975.01 is: 31,465.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,694.20 : 59,546.59 = 20,975.01 : x
  2. Step 2: Convert to fraction form
    39,694.20/59,546.59 = 20,975.01/x
  3. Step 3: Cross multiply
    39,694.20x = 59,546.59 × 20,975.01
  4. Step 4: Simplify right side
    39,694.20x = 1,248,990,320.72
  5. Step 5: Solve for x
    x = 1,248,990,320.72/39,694.20
  6. Step 6: Final answer
    x = 31,465.31

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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.