Home / 40,979.21-56,559.72-25,861.72

Finding the Fourth Proportional to 40,979.21, 56,559.72 and 25,861.72

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Solution

The fourth proportional to 40,979.21, 56,559.72 and 25,861.72 is: 35,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,979.21 : 56,559.72 = 25,861.72 : x
  2. Step 2: Convert to fraction form
    40,979.21/56,559.72 = 25,861.72/x
  3. Step 3: Cross multiply
    40,979.21x = 56,559.72 × 25,861.72
  4. Step 4: Simplify right side
    40,979.21x = 1,462,731,359.12
  5. Step 5: Solve for x
    x = 1,462,731,359.12/40,979.21
  6. Step 6: Final answer
    x = 35,694.48

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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.