Home / 33,240.13-45,845.43-21,304.60

Finding the Fourth Proportional to 33,240.13, 45,845.43 and 21,304.60

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Solution

The fourth proportional to 33,240.13, 45,845.43 and 21,304.60 is: 29,383.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,240.13 : 45,845.43 = 21,304.60 : x
  2. Step 2: Convert to fraction form
    33,240.13/45,845.43 = 21,304.60/x
  3. Step 3: Cross multiply
    33,240.13x = 45,845.43 × 21,304.60
  4. Step 4: Simplify right side
    33,240.13x = 976,718,547.98
  5. Step 5: Solve for x
    x = 976,718,547.98/33,240.13
  6. Step 6: Final answer
    x = 29,383.72

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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.