Home / 57,299.07-79,072.44-31,805.75

Finding the Fourth Proportional to 57,299.07, 79,072.44 and 31,805.75

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Solution

The fourth proportional to 57,299.07, 79,072.44 and 31,805.75 is: 43,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,299.07 : 79,072.44 = 31,805.75 : x
  2. Step 2: Convert to fraction form
    57,299.07/79,072.44 = 31,805.75/x
  3. Step 3: Cross multiply
    57,299.07x = 79,072.44 × 31,805.75
  4. Step 4: Simplify right side
    57,299.07x = 2,514,957,863.17
  5. Step 5: Solve for x
    x = 2,514,957,863.17/57,299.07
  6. Step 6: Final answer
    x = 43,891.77

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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.