Home / 57,491.50-79,326.32-33,613.56

Finding the Fourth Proportional to 57,491.50, 79,326.32 and 33,613.56

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Solution

The fourth proportional to 57,491.50, 79,326.32 and 33,613.56 is: 46,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,491.50 : 79,326.32 = 33,613.56 : x
  2. Step 2: Convert to fraction form
    57,491.50/79,326.32 = 33,613.56/x
  3. Step 3: Cross multiply
    57,491.50x = 79,326.32 × 33,613.56
  4. Step 4: Simplify right side
    57,491.50x = 2,666,440,016.90
  5. Step 5: Solve for x
    x = 2,666,440,016.90/57,491.50
  6. Step 6: Final answer
    x = 46,379.73

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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.