Home / 40,186.35-60,279.99-19,128.36

Finding the Fourth Proportional to 40,186.35, 60,279.99 and 19,128.36

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Solution

The fourth proportional to 40,186.35, 60,279.99 and 19,128.36 is: 28,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,186.35 : 60,279.99 = 19,128.36 : x
  2. Step 2: Convert to fraction form
    40,186.35/60,279.99 = 19,128.36/x
  3. Step 3: Cross multiply
    40,186.35x = 60,279.99 × 19,128.36
  4. Step 4: Simplify right side
    40,186.35x = 1,153,057,349.52
  5. Step 5: Solve for x
    x = 1,153,057,349.52/40,186.35
  6. Step 6: Final answer
    x = 28,692.76

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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.