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Finding the Fourth Proportional to 53,660.67, 80,491 and 18,600.32

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Solution

The fourth proportional to 53,660.67, 80,491 and 18,600.32 is: 27,900.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,660.67 : 80,491 = 18,600.32 : x
  2. Step 2: Convert to fraction form
    53,660.67/80,491 = 18,600.32/x
  3. Step 3: Cross multiply
    53,660.67x = 80,491 × 18,600.32
  4. Step 4: Simplify right side
    53,660.67x = 1,497,158,357.12
  5. Step 5: Solve for x
    x = 1,497,158,357.12/53,660.67
  6. Step 6: Final answer
    x = 27,900.48

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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.