Home / 33,326.21-45,988.86-18,219.45

Finding the Fourth Proportional to 33,326.21, 45,988.86 and 18,219.45

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Solution

The fourth proportional to 33,326.21, 45,988.86 and 18,219.45 is: 25,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,326.21 : 45,988.86 = 18,219.45 : x
  2. Step 2: Convert to fraction form
    33,326.21/45,988.86 = 18,219.45/x
  3. Step 3: Cross multiply
    33,326.21x = 45,988.86 × 18,219.45
  4. Step 4: Simplify right side
    33,326.21x = 837,891,735.33
  5. Step 5: Solve for x
    x = 837,891,735.33/33,326.21
  6. Step 6: Final answer
    x = 25,142.13

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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.