Home / 40,272.48-60,428.52-18,101.52

Finding the Fourth Proportional to 40,272.48, 60,428.52 and 18,101.52

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Solution

The fourth proportional to 40,272.48, 60,428.52 and 18,101.52 is: 27,161.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272.48 : 60,428.52 = 18,101.52 : x
  2. Step 2: Convert to fraction form
    40,272.48/60,428.52 = 18,101.52/x
  3. Step 3: Cross multiply
    40,272.48x = 60,428.52 × 18,101.52
  4. Step 4: Simplify right side
    40,272.48x = 1,093,848,063.35
  5. Step 5: Solve for x
    x = 1,093,848,063.35/40,272.48
  6. Step 6: Final answer
    x = 27,161.18

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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.