Home / 32,793.86-45,231.56-21,445.16

Finding the Fourth Proportional to 32,793.86, 45,231.56 and 21,445.16

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Solution

The fourth proportional to 32,793.86, 45,231.56 and 21,445.16 is: 29,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,793.86 : 45,231.56 = 21,445.16 : x
  2. Step 2: Convert to fraction form
    32,793.86/45,231.56 = 21,445.16/x
  3. Step 3: Cross multiply
    32,793.86x = 45,231.56 × 21,445.16
  4. Step 4: Simplify right side
    32,793.86x = 969,997,788.29
  5. Step 5: Solve for x
    x = 969,997,788.29/32,793.86
  6. Step 6: Final answer
    x = 29,578.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.