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Finding the Fourth Proportional to 30,766.32, 46,149.48 and 22,018.32

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Solution

The fourth proportional to 30,766.32, 46,149.48 and 22,018.32 is: 33,027.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,766.32 : 46,149.48 = 22,018.32 : x
  2. Step 2: Convert to fraction form
    30,766.32/46,149.48 = 22,018.32/x
  3. Step 3: Cross multiply
    30,766.32x = 46,149.48 × 22,018.32
  4. Step 4: Simplify right side
    30,766.32x = 1,016,134,018.47
  5. Step 5: Solve for x
    x = 1,016,134,018.47/30,766.32
  6. Step 6: Final answer
    x = 33,027.48

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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.