Home / 31,839.03-47,765.70-10,777.86

Finding the Fourth Proportional to 31,839.03, 47,765.70 and 10,777.86

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Solution

The fourth proportional to 31,839.03, 47,765.70 and 10,777.86 is: 16,169.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,839.03 : 47,765.70 = 10,777.86 : x
  2. Step 2: Convert to fraction form
    31,839.03/47,765.70 = 10,777.86/x
  3. Step 3: Cross multiply
    31,839.03x = 47,765.70 × 10,777.86
  4. Step 4: Simplify right side
    31,839.03x = 514,812,027.40
  5. Step 5: Solve for x
    x = 514,812,027.40/31,839.03
  6. Step 6: Final answer
    x = 16,169.21

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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.