Home / 35,137.20-48,487.80-19,221.96

Finding the Fourth Proportional to 35,137.20, 48,487.80 and 19,221.96

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Solution

The fourth proportional to 35,137.20, 48,487.80 and 19,221.96 is: 26,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,137.20 : 48,487.80 = 19,221.96 : x
  2. Step 2: Convert to fraction form
    35,137.20/48,487.80 = 19,221.96/x
  3. Step 3: Cross multiply
    35,137.20x = 48,487.80 × 19,221.96
  4. Step 4: Simplify right side
    35,137.20x = 932,030,552.09
  5. Step 5: Solve for x
    x = 932,030,552.09/35,137.20
  6. Step 6: Final answer
    x = 26,525.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.