Home / 33,363.74-46,040.09-18,255.21

Finding the Fourth Proportional to 33,363.74, 46,040.09 and 18,255.21

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Solution

The fourth proportional to 33,363.74, 46,040.09 and 18,255.21 is: 25,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,363.74 : 46,040.09 = 18,255.21 : x
  2. Step 2: Convert to fraction form
    33,363.74/46,040.09 = 18,255.21/x
  3. Step 3: Cross multiply
    33,363.74x = 46,040.09 × 18,255.21
  4. Step 4: Simplify right side
    33,363.74x = 840,471,420.09
  5. Step 5: Solve for x
    x = 840,471,420.09/33,363.74
  6. Step 6: Final answer
    x = 25,191.17

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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.