Home / 31,832.76-47,749.62-12,101.88

Finding the Fourth Proportional to 31,832.76, 47,749.62 and 12,101.88

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Solution

The fourth proportional to 31,832.76, 47,749.62 and 12,101.88 is: 18,153.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,832.76 : 47,749.62 = 12,101.88 : x
  2. Step 2: Convert to fraction form
    31,832.76/47,749.62 = 12,101.88/x
  3. Step 3: Cross multiply
    31,832.76x = 47,749.62 × 12,101.88
  4. Step 4: Simplify right side
    31,832.76x = 577,860,171.29
  5. Step 5: Solve for x
    x = 577,860,171.29/31,832.76
  6. Step 6: Final answer
    x = 18,153.00

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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.