Home / 30,768.41-46,166.18-29,439.78

Finding the Fourth Proportional to 30,768.41, 46,166.18 and 29,439.78

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Solution

The fourth proportional to 30,768.41, 46,166.18 and 29,439.78 is: 44,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,768.41 : 46,166.18 = 29,439.78 : x
  2. Step 2: Convert to fraction form
    30,768.41/46,166.18 = 29,439.78/x
  3. Step 3: Cross multiply
    30,768.41x = 46,166.18 × 29,439.78
  4. Step 4: Simplify right side
    30,768.41x = 1,359,122,035.44
  5. Step 5: Solve for x
    x = 1,359,122,035.44/30,768.41
  6. Step 6: Final answer
    x = 44,172.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.