Home / 57,310.59-79,077.87-33,431.31

Finding the Fourth Proportional to 57,310.59, 79,077.87 and 33,431.31

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Solution

The fourth proportional to 57,310.59, 79,077.87 and 33,431.31 is: 46,128.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,310.59 : 79,077.87 = 33,431.31 : x
  2. Step 2: Convert to fraction form
    57,310.59/79,077.87 = 33,431.31/x
  3. Step 3: Cross multiply
    57,310.59x = 79,077.87 × 33,431.31
  4. Step 4: Simplify right side
    57,310.59x = 2,643,676,786.11
  5. Step 5: Solve for x
    x = 2,643,676,786.11/57,310.59
  6. Step 6: Final answer
    x = 46,128.94

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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.