Home / 33,305.11-45,940.94-21,970.58

Finding the Fourth Proportional to 33,305.11, 45,940.94 and 21,970.58

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Solution

The fourth proportional to 33,305.11, 45,940.94 and 21,970.58 is: 30,306.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,305.11 : 45,940.94 = 21,970.58 : x
  2. Step 2: Convert to fraction form
    33,305.11/45,940.94 = 21,970.58/x
  3. Step 3: Cross multiply
    33,305.11x = 45,940.94 × 21,970.58
  4. Step 4: Simplify right side
    33,305.11x = 1,009,348,840.38
  5. Step 5: Solve for x
    x = 1,009,348,840.38/33,305.11
  6. Step 6: Final answer
    x = 30,306.13

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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.