Home / 49,587.39-74,389.32-20,002.75

Finding the Fourth Proportional to 49,587.39, 74,389.32 and 20,002.75

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Solution

The fourth proportional to 49,587.39, 74,389.32 and 20,002.75 is: 30,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,587.39 : 74,389.32 = 20,002.75 : x
  2. Step 2: Convert to fraction form
    49,587.39/74,389.32 = 20,002.75/x
  3. Step 3: Cross multiply
    49,587.39x = 74,389.32 × 20,002.75
  4. Step 4: Simplify right side
    49,587.39x = 1,487,990,784.66
  5. Step 5: Solve for x
    x = 1,487,990,784.66/49,587.39
  6. Step 6: Final answer
    x = 30,007.44

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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.