Home / 29,726.73-40,992.26-20,770.96

Finding the Fourth Proportional to 29,726.73, 40,992.26 and 20,770.96

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Solution

The fourth proportional to 29,726.73, 40,992.26 and 20,770.96 is: 28,642.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,726.73 : 40,992.26 = 20,770.96 : x
  2. Step 2: Convert to fraction form
    29,726.73/40,992.26 = 20,770.96/x
  3. Step 3: Cross multiply
    29,726.73x = 40,992.26 × 20,770.96
  4. Step 4: Simplify right side
    29,726.73x = 851,448,592.77
  5. Step 5: Solve for x
    x = 851,448,592.77/29,726.73
  6. Step 6: Final answer
    x = 28,642.52

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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.