Home / 33,428.54-46,129.56-18,320.96

Finding the Fourth Proportional to 33,428.54, 46,129.56 and 18,320.96

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Solution

The fourth proportional to 33,428.54, 46,129.56 and 18,320.96 is: 25,281.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428.54 : 46,129.56 = 18,320.96 : x
  2. Step 2: Convert to fraction form
    33,428.54/46,129.56 = 18,320.96/x
  3. Step 3: Cross multiply
    33,428.54x = 46,129.56 × 18,320.96
  4. Step 4: Simplify right side
    33,428.54x = 845,137,823.58
  5. Step 5: Solve for x
    x = 845,137,823.58/33,428.54
  6. Step 6: Final answer
    x = 25,281.92

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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.