Home / 32,907.20-49,360.80-13,199.90

Finding the Fourth Proportional to 32,907.20, 49,360.80 and 13,199.90

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Solution

The fourth proportional to 32,907.20, 49,360.80 and 13,199.90 is: 19,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,907.20 : 49,360.80 = 13,199.90 : x
  2. Step 2: Convert to fraction form
    32,907.20/49,360.80 = 13,199.90/x
  3. Step 3: Cross multiply
    32,907.20x = 49,360.80 × 13,199.90
  4. Step 4: Simplify right side
    32,907.20x = 651,557,623.92
  5. Step 5: Solve for x
    x = 651,557,623.92/32,907.20
  6. Step 6: Final answer
    x = 19,799.85

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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.