Home / 49,886.92-74,830.22-20,297.72

Finding the Fourth Proportional to 49,886.92, 74,830.22 and 20,297.72

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Solution

The fourth proportional to 49,886.92, 74,830.22 and 20,297.72 is: 30,446.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,886.92 : 74,830.22 = 20,297.72 : x
  2. Step 2: Convert to fraction form
    49,886.92/74,830.22 = 20,297.72/x
  3. Step 3: Cross multiply
    49,886.92x = 74,830.22 × 20,297.72
  4. Step 4: Simplify right side
    49,886.92x = 1,518,882,853.10
  5. Step 5: Solve for x
    x = 1,518,882,853.10/49,886.92
  6. Step 6: Final answer
    x = 30,446.51

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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.