Home / 32,171.55-48,261.99-9,986.72

Finding the Fourth Proportional to 32,171.55, 48,261.99 and 9,986.72

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Solution

The fourth proportional to 32,171.55, 48,261.99 and 9,986.72 is: 14,981.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,171.55 : 48,261.99 = 9,986.72 : x
  2. Step 2: Convert to fraction form
    32,171.55/48,261.99 = 9,986.72/x
  3. Step 3: Cross multiply
    32,171.55x = 48,261.99 × 9,986.72
  4. Step 4: Simplify right side
    32,171.55x = 481,978,739.46
  5. Step 5: Solve for x
    x = 481,978,739.46/32,171.55
  6. Step 6: Final answer
    x = 14,981.52

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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.