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Finding the Fourth Proportional to 30,481.60, 45,657.60 and 25,297.60

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Solution

The fourth proportional to 30,481.60, 45,657.60 and 25,297.60 is: 37,892.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,481.60 : 45,657.60 = 25,297.60 : x
  2. Step 2: Convert to fraction form
    30,481.60/45,657.60 = 25,297.60/x
  3. Step 3: Cross multiply
    30,481.60x = 45,657.60 × 25,297.60
  4. Step 4: Simplify right side
    30,481.60x = 1,155,027,701.76
  5. Step 5: Solve for x
    x = 1,155,027,701.76/30,481.60
  6. Step 6: Final answer
    x = 37,892.62

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1.5x scale

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.