Home / 40,755.96-56,160.34-29,405.43

Finding the Fourth Proportional to 40,755.96, 56,160.34 and 29,405.43

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Solution

The fourth proportional to 40,755.96, 56,160.34 and 29,405.43 is: 40,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,755.96 : 56,160.34 = 29,405.43 : x
  2. Step 2: Convert to fraction form
    40,755.96/56,160.34 = 29,405.43/x
  3. Step 3: Cross multiply
    40,755.96x = 56,160.34 × 29,405.43
  4. Step 4: Simplify right side
    40,755.96x = 1,651,418,873.13
  5. Step 5: Solve for x
    x = 1,651,418,873.13/40,755.96
  6. Step 6: Final answer
    x = 40,519.69

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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.