Home / 30,905.55-46,337.84-11,181.54

Finding the Fourth Proportional to 30,905.55, 46,337.84 and 11,181.54

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Solution

The fourth proportional to 30,905.55, 46,337.84 and 11,181.54 is: 16,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,905.55 : 46,337.84 = 11,181.54 : x
  2. Step 2: Convert to fraction form
    30,905.55/46,337.84 = 11,181.54/x
  3. Step 3: Cross multiply
    30,905.55x = 46,337.84 × 11,181.54
  4. Step 4: Simplify right side
    30,905.55x = 518,128,439.43
  5. Step 5: Solve for x
    x = 518,128,439.43/30,905.55
  6. Step 6: Final answer
    x = 16,764.90

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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.