Home / 56,440.39-84,660.58-18,997.32

Finding the Fourth Proportional to 56,440.39, 84,660.58 and 18,997.32

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Solution

The fourth proportional to 56,440.39, 84,660.58 and 18,997.32 is: 28,495.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,440.39 : 84,660.58 = 18,997.32 : x
  2. Step 2: Convert to fraction form
    56,440.39/84,660.58 = 18,997.32/x
  3. Step 3: Cross multiply
    56,440.39x = 84,660.58 × 18,997.32
  4. Step 4: Simplify right side
    56,440.39x = 1,608,324,470.87
  5. Step 5: Solve for x
    x = 1,608,324,470.87/56,440.39
  6. Step 6: Final answer
    x = 28,495.99

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Similar ratio
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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.