Home / 33,338.86-49,973.46-15,787.78

Finding the Fourth Proportional to 33,338.86, 49,973.46 and 15,787.78

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Solution

The fourth proportional to 33,338.86, 49,973.46 and 15,787.78 is: 23,665.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,338.86 : 49,973.46 = 15,787.78 : x
  2. Step 2: Convert to fraction form
    33,338.86/49,973.46 = 15,787.78/x
  3. Step 3: Cross multiply
    33,338.86x = 49,973.46 × 15,787.78
  4. Step 4: Simplify right side
    33,338.86x = 788,969,992.32
  5. Step 5: Solve for x
    x = 788,969,992.32/33,338.86
  6. Step 6: Final answer
    x = 23,665.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.