Home / 33,326.59-45,990.69-18,219.32

Finding the Fourth Proportional to 33,326.59, 45,990.69 and 18,219.32

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Solution

The fourth proportional to 33,326.59, 45,990.69 and 18,219.32 is: 25,142.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,326.59 : 45,990.69 = 18,219.32 : x
  2. Step 2: Convert to fraction form
    33,326.59/45,990.69 = 18,219.32/x
  3. Step 3: Cross multiply
    33,326.59x = 45,990.69 × 18,219.32
  4. Step 4: Simplify right side
    33,326.59x = 837,919,098.13
  5. Step 5: Solve for x
    x = 837,919,098.13/33,326.59
  6. Step 6: Final answer
    x = 25,142.66

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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.