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Finding the Fourth Proportional to 32,504.39, 48,765.88 and 19,189.53

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Solution

The fourth proportional to 32,504.39, 48,765.88 and 19,189.53 is: 28,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,504.39 : 48,765.88 = 19,189.53 : x
  2. Step 2: Convert to fraction form
    32,504.39/48,765.88 = 19,189.53/x
  3. Step 3: Cross multiply
    32,504.39x = 48,765.88 × 19,189.53
  4. Step 4: Simplify right side
    32,504.39x = 935,794,317.24
  5. Step 5: Solve for x
    x = 935,794,317.24/32,504.39
  6. Step 6: Final answer
    x = 28,789.78

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1.5x scale

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.