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Finding the Fourth Proportional to 32,170.61, 48,218.61 and 19,034.03

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Solution

The fourth proportional to 32,170.61, 48,218.61 and 19,034.03 is: 28,528.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,170.61 : 48,218.61 = 19,034.03 : x
  2. Step 2: Convert to fraction form
    32,170.61/48,218.61 = 19,034.03/x
  3. Step 3: Cross multiply
    32,170.61x = 48,218.61 × 19,034.03
  4. Step 4: Simplify right side
    32,170.61x = 917,794,469.30
  5. Step 5: Solve for x
    x = 917,794,469.30/32,170.61
  6. Step 6: Final answer
    x = 28,528.97

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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.