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Finding the Fourth Proportional to 33,380.60, 46,062.06 and 19,949.20

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Solution

The fourth proportional to 33,380.60, 46,062.06 and 19,949.20 is: 27,528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,380.60 : 46,062.06 = 19,949.20 : x
  2. Step 2: Convert to fraction form
    33,380.60/46,062.06 = 19,949.20/x
  3. Step 3: Cross multiply
    33,380.60x = 46,062.06 × 19,949.20
  4. Step 4: Simplify right side
    33,380.60x = 918,901,247.35
  5. Step 5: Solve for x
    x = 918,901,247.35/33,380.60
  6. Step 6: Final answer
    x = 27,528.00

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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.