Home / 48,472.73-72,679.32-18,856.04

Finding the Fourth Proportional to 48,472.73, 72,679.32 and 18,856.04

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Solution

The fourth proportional to 48,472.73, 72,679.32 and 18,856.04 is: 28,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,472.73 : 72,679.32 = 18,856.04 : x
  2. Step 2: Convert to fraction form
    48,472.73/72,679.32 = 18,856.04/x
  3. Step 3: Cross multiply
    48,472.73x = 72,679.32 × 18,856.04
  4. Step 4: Simplify right side
    48,472.73x = 1,370,444,346.79
  5. Step 5: Solve for x
    x = 1,370,444,346.79/48,472.73
  6. Step 6: Final answer
    x = 28,272.48

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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.