Home / 49,340.16-68,087.04-28,120.32

Finding the Fourth Proportional to 49,340.16, 68,087.04 and 28,120.32

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Solution

The fourth proportional to 49,340.16, 68,087.04 and 28,120.32 is: 38,804.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,340.16 : 68,087.04 = 28,120.32 : x
  2. Step 2: Convert to fraction form
    49,340.16/68,087.04 = 28,120.32/x
  3. Step 3: Cross multiply
    49,340.16x = 68,087.04 × 28,120.32
  4. Step 4: Simplify right side
    49,340.16x = 1,914,629,352.65
  5. Step 5: Solve for x
    x = 1,914,629,352.65/49,340.16
  6. Step 6: Final answer
    x = 38,804.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.