Home / 34,054.90-46,984.56-20,621.05

Finding the Fourth Proportional to 34,054.90, 46,984.56 and 20,621.05

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Solution

The fourth proportional to 34,054.90, 46,984.56 and 20,621.05 is: 28,450.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,054.90 : 46,984.56 = 20,621.05 : x
  2. Step 2: Convert to fraction form
    34,054.90/46,984.56 = 20,621.05/x
  3. Step 3: Cross multiply
    34,054.90x = 46,984.56 × 20,621.05
  4. Step 4: Simplify right side
    34,054.90x = 968,870,766.20
  5. Step 5: Solve for x
    x = 968,870,766.20/34,054.90
  6. Step 6: Final answer
    x = 28,450.26

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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.