Home / 33,910.16-46,811.40-21,828.08

Finding the Fourth Proportional to 33,910.16, 46,811.40 and 21,828.08

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Solution

The fourth proportional to 33,910.16, 46,811.40 and 21,828.08 is: 30,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,910.16 : 46,811.40 = 21,828.08 : x
  2. Step 2: Convert to fraction form
    33,910.16/46,811.40 = 21,828.08/x
  3. Step 3: Cross multiply
    33,910.16x = 46,811.40 × 21,828.08
  4. Step 4: Simplify right side
    33,910.16x = 1,021,802,984.11
  5. Step 5: Solve for x
    x = 1,021,802,984.11/33,910.16
  6. Step 6: Final answer
    x = 30,132.65

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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.