Home / 33,860.88-46,720.98-21,278.34

Finding the Fourth Proportional to 33,860.88, 46,720.98 and 21,278.34

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Solution

The fourth proportional to 33,860.88, 46,720.98 and 21,278.34 is: 29,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,860.88 : 46,720.98 = 21,278.34 : x
  2. Step 2: Convert to fraction form
    33,860.88/46,720.98 = 21,278.34/x
  3. Step 3: Cross multiply
    33,860.88x = 46,720.98 × 21,278.34
  4. Step 4: Simplify right side
    33,860.88x = 994,144,897.57
  5. Step 5: Solve for x
    x = 994,144,897.57/33,860.88
  6. Step 6: Final answer
    x = 29,359.69

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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.