Home / 41,877.96-57,775.62-31,002

Finding the Fourth Proportional to 41,877.96, 57,775.62 and 31,002

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Solution

The fourth proportional to 41,877.96, 57,775.62 and 31,002 is: 42,770.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,877.96 : 57,775.62 = 31,002 : x
  2. Step 2: Convert to fraction form
    41,877.96/57,775.62 = 31,002/x
  3. Step 3: Cross multiply
    41,877.96x = 57,775.62 × 31,002
  4. Step 4: Simplify right side
    41,877.96x = 1,791,159,771.24
  5. Step 5: Solve for x
    x = 1,791,159,771.24/41,877.96
  6. Step 6: Final answer
    x = 42,770.94

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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.