Home / 31,884.44-47,816.94-8,507.84

Finding the Fourth Proportional to 31,884.44, 47,816.94 and 8,507.84

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Solution

The fourth proportional to 31,884.44, 47,816.94 and 8,507.84 is: 12,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,884.44 : 47,816.94 = 8,507.84 : x
  2. Step 2: Convert to fraction form
    31,884.44/47,816.94 = 8,507.84/x
  3. Step 3: Cross multiply
    31,884.44x = 47,816.94 × 8,507.84
  4. Step 4: Simplify right side
    31,884.44x = 406,818,874.81
  5. Step 5: Solve for x
    x = 406,818,874.81/31,884.44
  6. Step 6: Final answer
    x = 12,759.17

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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.