Home / 57,135.44-78,839.50-31,984.96

Finding the Fourth Proportional to 57,135.44, 78,839.50 and 31,984.96

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Solution

The fourth proportional to 57,135.44, 78,839.50 and 31,984.96 is: 44,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,135.44 : 78,839.50 = 31,984.96 : x
  2. Step 2: Convert to fraction form
    57,135.44/78,839.50 = 31,984.96/x
  3. Step 3: Cross multiply
    57,135.44x = 78,839.50 × 31,984.96
  4. Step 4: Simplify right side
    57,135.44x = 2,521,678,253.92
  5. Step 5: Solve for x
    x = 2,521,678,253.92/57,135.44
  6. Step 6: Final answer
    x = 44,135.10

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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.