Home / 32,906.10-49,359.15-18,909.30

Finding the Fourth Proportional to 32,906.10, 49,359.15 and 18,909.30

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Solution

The fourth proportional to 32,906.10, 49,359.15 and 18,909.30 is: 28,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,906.10 : 49,359.15 = 18,909.30 : x
  2. Step 2: Convert to fraction form
    32,906.10/49,359.15 = 18,909.30/x
  3. Step 3: Cross multiply
    32,906.10x = 49,359.15 × 18,909.30
  4. Step 4: Simplify right side
    32,906.10x = 933,346,975.10
  5. Step 5: Solve for x
    x = 933,346,975.10/32,906.10
  6. Step 6: Final answer
    x = 28,363.95

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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.