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Finding the Fourth Proportional to 33,994.80, 46,906.20 and 19,848.24

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Solution

The fourth proportional to 33,994.80, 46,906.20 and 19,848.24 is: 27,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,994.80 : 46,906.20 = 19,848.24 : x
  2. Step 2: Convert to fraction form
    33,994.80/46,906.20 = 19,848.24/x
  3. Step 3: Cross multiply
    33,994.80x = 46,906.20 × 19,848.24
  4. Step 4: Simplify right side
    33,994.80x = 931,005,515.09
  5. Step 5: Solve for x
    x = 931,005,515.09/33,994.80
  6. Step 6: Final answer
    x = 27,386.70

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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.