Home / 32,110.20-48,165.30-9,921.60

Finding the Fourth Proportional to 32,110.20, 48,165.30 and 9,921.60

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Solution

The fourth proportional to 32,110.20, 48,165.30 and 9,921.60 is: 14,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,110.20 : 48,165.30 = 9,921.60 : x
  2. Step 2: Convert to fraction form
    32,110.20/48,165.30 = 9,921.60/x
  3. Step 3: Cross multiply
    32,110.20x = 48,165.30 × 9,921.60
  4. Step 4: Simplify right side
    32,110.20x = 477,876,840.48
  5. Step 5: Solve for x
    x = 477,876,840.48/32,110.20
  6. Step 6: Final answer
    x = 14,882.40

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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.