Home / 48,599.60-72,856.46-18,996.74

Finding the Fourth Proportional to 48,599.60, 72,856.46 and 18,996.74

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Solution

The fourth proportional to 48,599.60, 72,856.46 and 18,996.74 is: 28,478.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,599.60 : 72,856.46 = 18,996.74 : x
  2. Step 2: Convert to fraction form
    48,599.60/72,856.46 = 18,996.74/x
  3. Step 3: Cross multiply
    48,599.60x = 72,856.46 × 18,996.74
  4. Step 4: Simplify right side
    48,599.60x = 1,384,035,227.94
  5. Step 5: Solve for x
    x = 1,384,035,227.94/48,599.60
  6. Step 6: Final answer
    x = 28,478.33

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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.