Home / 33,811.58-46,644.26-21,878.76

Finding the Fourth Proportional to 33,811.58, 46,644.26 and 21,878.76

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Solution

The fourth proportional to 33,811.58, 46,644.26 and 21,878.76 is: 30,182.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,811.58 : 46,644.26 = 21,878.76 : x
  2. Step 2: Convert to fraction form
    33,811.58/46,644.26 = 21,878.76/x
  3. Step 3: Cross multiply
    33,811.58x = 46,644.26 × 21,878.76
  4. Step 4: Simplify right side
    33,811.58x = 1,020,518,569.92
  5. Step 5: Solve for x
    x = 1,020,518,569.92/33,811.58
  6. Step 6: Final answer
    x = 30,182.52

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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.