Home / 57,428.09-79,252.73-31,941.64

Finding the Fourth Proportional to 57,428.09, 79,252.73 and 31,941.64

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Solution

The fourth proportional to 57,428.09, 79,252.73 and 31,941.64 is: 44,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,428.09 : 79,252.73 = 31,941.64 : x
  2. Step 2: Convert to fraction form
    57,428.09/79,252.73 = 31,941.64/x
  3. Step 3: Cross multiply
    57,428.09x = 79,252.73 × 31,941.64
  4. Step 4: Simplify right side
    57,428.09x = 2,531,462,229.82
  5. Step 5: Solve for x
    x = 2,531,462,229.82/57,428.09
  6. Step 6: Final answer
    x = 44,080.56

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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.