Home / 33,316.71-45,972.61-21,396.19

Finding the Fourth Proportional to 33,316.71, 45,972.61 and 21,396.19

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Solution

The fourth proportional to 33,316.71, 45,972.61 and 21,396.19 is: 29,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,316.71 : 45,972.61 = 21,396.19 : x
  2. Step 2: Convert to fraction form
    33,316.71/45,972.61 = 21,396.19/x
  3. Step 3: Cross multiply
    33,316.71x = 45,972.61 × 21,396.19
  4. Step 4: Simplify right side
    33,316.71x = 983,638,698.36
  5. Step 5: Solve for x
    x = 983,638,698.36/33,316.71
  6. Step 6: Final answer
    x = 29,523.88

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Double scale
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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.