Home / 40,714.60-61,100.76-18,530.82

Finding the Fourth Proportional to 40,714.60, 61,100.76 and 18,530.82

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Solution

The fourth proportional to 40,714.60, 61,100.76 and 18,530.82 is: 27,809.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,714.60 : 61,100.76 = 18,530.82 : x
  2. Step 2: Convert to fraction form
    40,714.60/61,100.76 = 18,530.82/x
  3. Step 3: Cross multiply
    40,714.60x = 61,100.76 × 18,530.82
  4. Step 4: Simplify right side
    40,714.60x = 1,132,247,185.42
  5. Step 5: Solve for x
    x = 1,132,247,185.42/40,714.60
  6. Step 6: Final answer
    x = 27,809.37

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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.