Home / 33,345.14-45,994.57-21,389.54

Finding the Fourth Proportional to 33,345.14, 45,994.57 and 21,389.54

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Solution

The fourth proportional to 33,345.14, 45,994.57 and 21,389.54 is: 29,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,345.14 : 45,994.57 = 21,389.54 : x
  2. Step 2: Convert to fraction form
    33,345.14/45,994.57 = 21,389.54/x
  3. Step 3: Cross multiply
    33,345.14x = 45,994.57 × 21,389.54
  4. Step 4: Simplify right side
    33,345.14x = 983,802,694.80
  5. Step 5: Solve for x
    x = 983,802,694.80/33,345.14
  6. Step 6: Final answer
    x = 29,503.63

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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.