Home / 33,811.74-46,644.48-21,878.93

Finding the Fourth Proportional to 33,811.74, 46,644.48 and 21,878.93

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Solution

The fourth proportional to 33,811.74, 46,644.48 and 21,878.93 is: 30,182.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,811.74 : 46,644.48 = 21,878.93 : x
  2. Step 2: Convert to fraction form
    33,811.74/46,644.48 = 21,878.93/x
  3. Step 3: Cross multiply
    33,811.74x = 46,644.48 × 21,878.93
  4. Step 4: Simplify right side
    33,811.74x = 1,020,531,429.42
  5. Step 5: Solve for x
    x = 1,020,531,429.42/33,811.74
  6. Step 6: Final answer
    x = 30,182.75

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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.