Home / 29,408.13-40,589.55-18,087.21

Finding the Fourth Proportional to 29,408.13, 40,589.55 and 18,087.21

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Solution

The fourth proportional to 29,408.13, 40,589.55 and 18,087.21 is: 24,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,408.13 : 40,589.55 = 18,087.21 : x
  2. Step 2: Convert to fraction form
    29,408.13/40,589.55 = 18,087.21/x
  3. Step 3: Cross multiply
    29,408.13x = 40,589.55 × 18,087.21
  4. Step 4: Simplify right side
    29,408.13x = 734,151,714.66
  5. Step 5: Solve for x
    x = 734,151,714.66/29,408.13
  6. Step 6: Final answer
    x = 24,964.24

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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.