Home / 35,761.22-53,651.40-12,387.66

Finding the Fourth Proportional to 35,761.22, 53,651.40 and 12,387.66

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Solution

The fourth proportional to 35,761.22, 53,651.40 and 12,387.66 is: 18,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,761.22 : 53,651.40 = 12,387.66 : x
  2. Step 2: Convert to fraction form
    35,761.22/53,651.40 = 12,387.66/x
  3. Step 3: Cross multiply
    35,761.22x = 53,651.40 × 12,387.66
  4. Step 4: Simplify right side
    35,761.22x = 664,615,054.08
  5. Step 5: Solve for x
    x = 664,615,054.08/35,761.22
  6. Step 6: Final answer
    x = 18,584.80

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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.