Home / 49,744.08-68,653.38-28,519.20

Finding the Fourth Proportional to 49,744.08, 68,653.38 and 28,519.20

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Solution

The fourth proportional to 49,744.08, 68,653.38 and 28,519.20 is: 39,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,744.08 : 68,653.38 = 28,519.20 : x
  2. Step 2: Convert to fraction form
    49,744.08/68,653.38 = 28,519.20/x
  3. Step 3: Cross multiply
    49,744.08x = 68,653.38 × 28,519.20
  4. Step 4: Simplify right side
    49,744.08x = 1,957,939,474.90
  5. Step 5: Solve for x
    x = 1,957,939,474.90/49,744.08
  6. Step 6: Final answer
    x = 39,360.25

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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.