Home / 48,365.30-72,539.58-12,826.88

Finding the Fourth Proportional to 48,365.30, 72,539.58 and 12,826.88

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Solution

The fourth proportional to 48,365.30, 72,539.58 and 12,826.88 is: 19,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,365.30 : 72,539.58 = 12,826.88 : x
  2. Step 2: Convert to fraction form
    48,365.30/72,539.58 = 12,826.88/x
  3. Step 3: Cross multiply
    48,365.30x = 72,539.58 × 12,826.88
  4. Step 4: Simplify right side
    48,365.30x = 930,456,487.91
  5. Step 5: Solve for x
    x = 930,456,487.91/48,365.30
  6. Step 6: Final answer
    x = 19,238.10

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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.