Home / 40,723.21-61,094.39-12,641.83

Finding the Fourth Proportional to 40,723.21, 61,094.39 and 12,641.83

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Solution

The fourth proportional to 40,723.21, 61,094.39 and 12,641.83 is: 18,965.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,723.21 : 61,094.39 = 12,641.83 : x
  2. Step 2: Convert to fraction form
    40,723.21/61,094.39 = 12,641.83/x
  3. Step 3: Cross multiply
    40,723.21x = 61,094.39 × 12,641.83
  4. Step 4: Simplify right side
    40,723.21x = 772,344,676.39
  5. Step 5: Solve for x
    x = 772,344,676.39/40,723.21
  6. Step 6: Final answer
    x = 18,965.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.