Home / 33,415.36-46,113.92-18,309.12

Finding the Fourth Proportional to 33,415.36, 46,113.92 and 18,309.12

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Solution

The fourth proportional to 33,415.36, 46,113.92 and 18,309.12 is: 25,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,415.36 : 46,113.92 = 18,309.12 : x
  2. Step 2: Convert to fraction form
    33,415.36/46,113.92 = 18,309.12/x
  3. Step 3: Cross multiply
    33,415.36x = 46,113.92 × 18,309.12
  4. Step 4: Simplify right side
    33,415.36x = 844,305,294.95
  5. Step 5: Solve for x
    x = 844,305,294.95/33,415.36
  6. Step 6: Final answer
    x = 25,266.98

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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.