Home / 40,884.21-56,579.72-39,900.87

Finding the Fourth Proportional to 40,884.21, 56,579.72 and 39,900.87

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Solution

The fourth proportional to 40,884.21, 56,579.72 and 39,900.87 is: 55,218.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,884.21 : 56,579.72 = 39,900.87 : x
  2. Step 2: Convert to fraction form
    40,884.21/56,579.72 = 39,900.87/x
  3. Step 3: Cross multiply
    40,884.21x = 56,579.72 × 39,900.87
  4. Step 4: Simplify right side
    40,884.21x = 2,257,579,852.85
  5. Step 5: Solve for x
    x = 2,257,579,852.85/40,884.21
  6. Step 6: Final answer
    x = 55,218.87

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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.