Home / 33,315.68-45,976.08-18,208.64

Finding the Fourth Proportional to 33,315.68, 45,976.08 and 18,208.64

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Solution

The fourth proportional to 33,315.68, 45,976.08 and 18,208.64 is: 25,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,315.68 : 45,976.08 = 18,208.64 : x
  2. Step 2: Convert to fraction form
    33,315.68/45,976.08 = 18,208.64/x
  3. Step 3: Cross multiply
    33,315.68x = 45,976.08 × 18,208.64
  4. Step 4: Simplify right side
    33,315.68x = 837,161,889.33
  5. Step 5: Solve for x
    x = 837,161,889.33/33,315.68
  6. Step 6: Final answer
    x = 25,128.16

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Similar ratio
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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.