Home / 40,809.62-56,321.33-27,408.78

Finding the Fourth Proportional to 40,809.62, 56,321.33 and 27,408.78

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Solution

The fourth proportional to 40,809.62, 56,321.33 and 27,408.78 is: 37,826.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,809.62 : 56,321.33 = 27,408.78 : x
  2. Step 2: Convert to fraction form
    40,809.62/56,321.33 = 27,408.78/x
  3. Step 3: Cross multiply
    40,809.62x = 56,321.33 × 27,408.78
  4. Step 4: Simplify right side
    40,809.62x = 1,543,698,806.23
  5. Step 5: Solve for x
    x = 1,543,698,806.23/40,809.62
  6. Step 6: Final answer
    x = 37,826.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.