Home / 34,830.82-48,078.80-20,683.56

Finding the Fourth Proportional to 34,830.82, 48,078.80 and 20,683.56

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Solution

The fourth proportional to 34,830.82, 48,078.80 and 20,683.56 is: 28,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,830.82 : 48,078.80 = 20,683.56 : x
  2. Step 2: Convert to fraction form
    34,830.82/48,078.80 = 20,683.56/x
  3. Step 3: Cross multiply
    34,830.82x = 48,078.80 × 20,683.56
  4. Step 4: Simplify right side
    34,830.82x = 994,440,744.53
  5. Step 5: Solve for x
    x = 994,440,744.53/34,830.82
  6. Step 6: Final answer
    x = 28,550.60

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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.