Home / 33,714.08-46,515.84-20,278.61

Finding the Fourth Proportional to 33,714.08, 46,515.84 and 20,278.61

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Solution

The fourth proportional to 33,714.08, 46,515.84 and 20,278.61 is: 27,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,714.08 : 46,515.84 = 20,278.61 : x
  2. Step 2: Convert to fraction form
    33,714.08/46,515.84 = 20,278.61/x
  3. Step 3: Cross multiply
    33,714.08x = 46,515.84 × 20,278.61
  4. Step 4: Simplify right side
    33,714.08x = 943,276,578.18
  5. Step 5: Solve for x
    x = 943,276,578.18/33,714.08
  6. Step 6: Final answer
    x = 27,978.71

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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.