Home / 33,811.26-46,644-21,878.52

Finding the Fourth Proportional to 33,811.26, 46,644 and 21,878.52

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Solution

The fourth proportional to 33,811.26, 46,644 and 21,878.52 is: 30,182.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,811.26 : 46,644 = 21,878.52 : x
  2. Step 2: Convert to fraction form
    33,811.26/46,644 = 21,878.52/x
  3. Step 3: Cross multiply
    33,811.26x = 46,644 × 21,878.52
  4. Step 4: Simplify right side
    33,811.26x = 1,020,501,686.88
  5. Step 5: Solve for x
    x = 1,020,501,686.88/33,811.26
  6. Step 6: Final answer
    x = 30,182.30

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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.