Home / 51,589.49-71,196.36-28,935.77

Finding the Fourth Proportional to 51,589.49, 71,196.36 and 28,935.77

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Solution

The fourth proportional to 51,589.49, 71,196.36 and 28,935.77 is: 39,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,589.49 : 71,196.36 = 28,935.77 : x
  2. Step 2: Convert to fraction form
    51,589.49/71,196.36 = 28,935.77/x
  3. Step 3: Cross multiply
    51,589.49x = 71,196.36 × 28,935.77
  4. Step 4: Simplify right side
    51,589.49x = 2,060,121,497.80
  5. Step 5: Solve for x
    x = 2,060,121,497.80/51,589.49
  6. Step 6: Final answer
    x = 39,932.97

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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.