Home / 49,728.35-68,626.60-30,619.15

Finding the Fourth Proportional to 49,728.35, 68,626.60 and 30,619.15

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Solution

The fourth proportional to 49,728.35, 68,626.60 and 30,619.15 is: 42,255.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,728.35 : 68,626.60 = 30,619.15 : x
  2. Step 2: Convert to fraction form
    49,728.35/68,626.60 = 30,619.15/x
  3. Step 3: Cross multiply
    49,728.35x = 68,626.60 × 30,619.15
  4. Step 4: Simplify right side
    49,728.35x = 2,101,288,026.10
  5. Step 5: Solve for x
    x = 2,101,288,026.10/49,728.35
  6. Step 6: Final answer
    x = 42,255.33

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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.