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Finding the Fourth Proportional to 48,645.60, 72,948.87 and 23,678.37

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Solution

The fourth proportional to 48,645.60, 72,948.87 and 23,678.37 is: 35,508.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,645.60 : 72,948.87 = 23,678.37 : x
  2. Step 2: Convert to fraction form
    48,645.60/72,948.87 = 23,678.37/x
  3. Step 3: Cross multiply
    48,645.60x = 72,948.87 × 23,678.37
  4. Step 4: Simplify right side
    48,645.60x = 1,727,310,334.94
  5. Step 5: Solve for x
    x = 1,727,310,334.94/48,645.60
  6. Step 6: Final answer
    x = 35,508.05

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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.