Home / 33,422.59-46,121.82-19,985.92

Finding the Fourth Proportional to 33,422.59, 46,121.82 and 19,985.92

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Solution

The fourth proportional to 33,422.59, 46,121.82 and 19,985.92 is: 27,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,422.59 : 46,121.82 = 19,985.92 : x
  2. Step 2: Convert to fraction form
    33,422.59/46,121.82 = 19,985.92/x
  3. Step 3: Cross multiply
    33,422.59x = 46,121.82 × 19,985.92
  4. Step 4: Simplify right side
    33,422.59x = 921,787,004.77
  5. Step 5: Solve for x
    x = 921,787,004.77/33,422.59
  6. Step 6: Final answer
    x = 27,579.76

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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.