Home / 45,241.48-62,446.02-31,815.88

Finding the Fourth Proportional to 45,241.48, 62,446.02 and 31,815.88

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Solution

The fourth proportional to 45,241.48, 62,446.02 and 31,815.88 is: 43,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,241.48 : 62,446.02 = 31,815.88 : x
  2. Step 2: Convert to fraction form
    45,241.48/62,446.02 = 31,815.88/x
  3. Step 3: Cross multiply
    45,241.48x = 62,446.02 × 31,815.88
  4. Step 4: Simplify right side
    45,241.48x = 1,986,775,078.80
  5. Step 5: Solve for x
    x = 1,986,775,078.80/45,241.48
  6. Step 6: Final answer
    x = 43,914.90

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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.