Home / 33,929.40-46,822.80-18,821.76

Finding the Fourth Proportional to 33,929.40, 46,822.80 and 18,821.76

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Solution

The fourth proportional to 33,929.40, 46,822.80 and 18,821.76 is: 25,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,929.40 : 46,822.80 = 18,821.76 : x
  2. Step 2: Convert to fraction form
    33,929.40/46,822.80 = 18,821.76/x
  3. Step 3: Cross multiply
    33,929.40x = 46,822.80 × 18,821.76
  4. Step 4: Simplify right side
    33,929.40x = 881,287,504.13
  5. Step 5: Solve for x
    x = 881,287,504.13/33,929.40
  6. Step 6: Final answer
    x = 25,974.16

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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.