Home / 49,880.87-74,813.19-20,297.51

Finding the Fourth Proportional to 49,880.87, 74,813.19 and 20,297.51

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Solution

The fourth proportional to 49,880.87, 74,813.19 and 20,297.51 is: 30,442.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,880.87 : 74,813.19 = 20,297.51 : x
  2. Step 2: Convert to fraction form
    49,880.87/74,813.19 = 20,297.51/x
  3. Step 3: Cross multiply
    49,880.87x = 74,813.19 × 20,297.51
  4. Step 4: Simplify right side
    49,880.87x = 1,518,521,098.09
  5. Step 5: Solve for x
    x = 1,518,521,098.09/49,880.87
  6. Step 6: Final answer
    x = 30,442.96

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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.