Home / 48,155.76-72,236.61-18,573.21

Finding the Fourth Proportional to 48,155.76, 72,236.61 and 18,573.21

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Solution

The fourth proportional to 48,155.76, 72,236.61 and 18,573.21 is: 27,860.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,155.76 : 72,236.61 = 18,573.21 : x
  2. Step 2: Convert to fraction form
    48,155.76/72,236.61 = 18,573.21/x
  3. Step 3: Cross multiply
    48,155.76x = 72,236.61 × 18,573.21
  4. Step 4: Simplify right side
    48,155.76x = 1,341,665,727.22
  5. Step 5: Solve for x
    x = 1,341,665,727.22/48,155.76
  6. Step 6: Final answer
    x = 27,860.96

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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.