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Finding the Fourth Proportional to 30,829.55, 46,244.32 and 7,455.98

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Solution

The fourth proportional to 30,829.55, 46,244.32 and 7,455.98 is: 11,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,829.55 : 46,244.32 = 7,455.98 : x
  2. Step 2: Convert to fraction form
    30,829.55/46,244.32 = 7,455.98/x
  3. Step 3: Cross multiply
    30,829.55x = 46,244.32 × 7,455.98
  4. Step 4: Simplify right side
    30,829.55x = 344,796,822.00
  5. Step 5: Solve for x
    x = 344,796,822.00/30,829.55
  6. Step 6: Final answer
    x = 11,183.97

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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.