Home / 51,181.26-70,629.08-28,520.16

Finding the Fourth Proportional to 51,181.26, 70,629.08 and 28,520.16

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Solution

The fourth proportional to 51,181.26, 70,629.08 and 28,520.16 is: 39,357.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,181.26 : 70,629.08 = 28,520.16 : x
  2. Step 2: Convert to fraction form
    51,181.26/70,629.08 = 28,520.16/x
  3. Step 3: Cross multiply
    51,181.26x = 70,629.08 × 28,520.16
  4. Step 4: Simplify right side
    51,181.26x = 2,014,352,662.25
  5. Step 5: Solve for x
    x = 2,014,352,662.25/51,181.26
  6. Step 6: Final answer
    x = 39,357.23

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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.