Home / 40,608.83-60,918.96-12,531.17

Finding the Fourth Proportional to 40,608.83, 60,918.96 and 12,531.17

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Solution

The fourth proportional to 40,608.83, 60,918.96 and 12,531.17 is: 18,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,608.83 : 60,918.96 = 12,531.17 : x
  2. Step 2: Convert to fraction form
    40,608.83/60,918.96 = 12,531.17/x
  3. Step 3: Cross multiply
    40,608.83x = 60,918.96 × 12,531.17
  4. Step 4: Simplify right side
    40,608.83x = 763,385,539.39
  5. Step 5: Solve for x
    x = 763,385,539.39/40,608.83
  6. Step 6: Final answer
    x = 18,798.51

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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.