Home / 33,088.26-45,662.81-18,945.66

Finding the Fourth Proportional to 33,088.26, 45,662.81 and 18,945.66

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Solution

The fourth proportional to 33,088.26, 45,662.81 and 18,945.66 is: 26,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,088.26 : 45,662.81 = 18,945.66 : x
  2. Step 2: Convert to fraction form
    33,088.26/45,662.81 = 18,945.66/x
  3. Step 3: Cross multiply
    33,088.26x = 45,662.81 × 18,945.66
  4. Step 4: Simplify right side
    33,088.26x = 865,111,891.95
  5. Step 5: Solve for x
    x = 865,111,891.95/33,088.26
  6. Step 6: Final answer
    x = 26,145.59

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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.