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Finding the Fourth Proportional to 33,333.66, 49,994.01 and 9,966.78

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Solution

The fourth proportional to 33,333.66, 49,994.01 and 9,966.78 is: 14,948.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,333.66 : 49,994.01 = 9,966.78 : x
  2. Step 2: Convert to fraction form
    33,333.66/49,994.01 = 9,966.78/x
  3. Step 3: Cross multiply
    33,333.66x = 49,994.01 × 9,966.78
  4. Step 4: Simplify right side
    33,333.66x = 498,279,298.99
  5. Step 5: Solve for x
    x = 498,279,298.99/33,333.66
  6. Step 6: Final answer
    x = 14,948.23

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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.