Home / 30,297.18-41,795.74-21,349.60

Finding the Fourth Proportional to 30,297.18, 41,795.74 and 21,349.60

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Solution

The fourth proportional to 30,297.18, 41,795.74 and 21,349.60 is: 29,452.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297.18 : 41,795.74 = 21,349.60 : x
  2. Step 2: Convert to fraction form
    30,297.18/41,795.74 = 21,349.60/x
  3. Step 3: Cross multiply
    30,297.18x = 41,795.74 × 21,349.60
  4. Step 4: Simplify right side
    30,297.18x = 892,322,330.70
  5. Step 5: Solve for x
    x = 892,322,330.70/30,297.18
  6. Step 6: Final answer
    x = 29,452.32

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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.