Home / 40,588.97-60,872.85-12,119.22

Finding the Fourth Proportional to 40,588.97, 60,872.85 and 12,119.22

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Solution

The fourth proportional to 40,588.97, 60,872.85 and 12,119.22 is: 18,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,588.97 : 60,872.85 = 12,119.22 : x
  2. Step 2: Convert to fraction form
    40,588.97/60,872.85 = 12,119.22/x
  3. Step 3: Cross multiply
    40,588.97x = 60,872.85 × 12,119.22
  4. Step 4: Simplify right side
    40,588.97x = 737,731,461.18
  5. Step 5: Solve for x
    x = 737,731,461.18/40,588.97
  6. Step 6: Final answer
    x = 18,175.67

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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.