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Finding the Fourth Proportional to 32,130.52, 48,195.78 and 8,760.40

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Solution

The fourth proportional to 32,130.52, 48,195.78 and 8,760.40 is: 13,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,130.52 : 48,195.78 = 8,760.40 : x
  2. Step 2: Convert to fraction form
    32,130.52/48,195.78 = 8,760.40/x
  3. Step 3: Cross multiply
    32,130.52x = 48,195.78 × 8,760.40
  4. Step 4: Simplify right side
    32,130.52x = 422,214,157.77
  5. Step 5: Solve for x
    x = 422,214,157.77/32,130.52
  6. Step 6: Final answer
    x = 13,140.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.