Home / 32,921.58-49,390.13-18,890.61

Finding the Fourth Proportional to 32,921.58, 49,390.13 and 18,890.61

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Solution

The fourth proportional to 32,921.58, 49,390.13 and 18,890.61 is: 28,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,921.58 : 49,390.13 = 18,890.61 : x
  2. Step 2: Convert to fraction form
    32,921.58/49,390.13 = 18,890.61/x
  3. Step 3: Cross multiply
    32,921.58x = 49,390.13 × 18,890.61
  4. Step 4: Simplify right side
    32,921.58x = 933,009,589.23
  5. Step 5: Solve for x
    x = 933,009,589.23/32,921.58
  6. Step 6: Final answer
    x = 28,340.36

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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.