Home / 33,429.60-46,137.76-19,279.68

Finding the Fourth Proportional to 33,429.60, 46,137.76 and 19,279.68

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Solution

The fourth proportional to 33,429.60, 46,137.76 and 19,279.68 is: 26,608.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,429.60 : 46,137.76 = 19,279.68 : x
  2. Step 2: Convert to fraction form
    33,429.60/46,137.76 = 19,279.68/x
  3. Step 3: Cross multiply
    33,429.60x = 46,137.76 × 19,279.68
  4. Step 4: Simplify right side
    33,429.60x = 889,521,248.72
  5. Step 5: Solve for x
    x = 889,521,248.72/33,429.60
  6. Step 6: Final answer
    x = 26,608.79

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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.