Home / 32,879.12-49,331.10-19,740.62

Finding the Fourth Proportional to 32,879.12, 49,331.10 and 19,740.62

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Solution

The fourth proportional to 32,879.12, 49,331.10 and 19,740.62 is: 29,618.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,879.12 : 49,331.10 = 19,740.62 : x
  2. Step 2: Convert to fraction form
    32,879.12/49,331.10 = 19,740.62/x
  3. Step 3: Cross multiply
    32,879.12x = 49,331.10 × 19,740.62
  4. Step 4: Simplify right side
    32,879.12x = 973,826,499.28
  5. Step 5: Solve for x
    x = 973,826,499.28/32,879.12
  6. Step 6: Final answer
    x = 29,618.39

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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.