Home / 32,910.90-49,321.60-13,919.74

Finding the Fourth Proportional to 32,910.90, 49,321.60 and 13,919.74

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Solution

The fourth proportional to 32,910.90, 49,321.60 and 13,919.74 is: 20,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,910.90 : 49,321.60 = 13,919.74 : x
  2. Step 2: Convert to fraction form
    32,910.90/49,321.60 = 13,919.74/x
  3. Step 3: Cross multiply
    32,910.90x = 49,321.60 × 13,919.74
  4. Step 4: Simplify right side
    32,910.90x = 686,543,848.38
  5. Step 5: Solve for x
    x = 686,543,848.38/32,910.90
  6. Step 6: Final answer
    x = 20,860.68

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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.