Home / 31,836.84-47,774.39-11,861.02

Finding the Fourth Proportional to 31,836.84, 47,774.39 and 11,861.02

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Solution

The fourth proportional to 31,836.84, 47,774.39 and 11,861.02 is: 17,798.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,836.84 : 47,774.39 = 11,861.02 : x
  2. Step 2: Convert to fraction form
    31,836.84/47,774.39 = 11,861.02/x
  3. Step 3: Cross multiply
    31,836.84x = 47,774.39 × 11,861.02
  4. Step 4: Simplify right side
    31,836.84x = 566,652,995.28
  5. Step 5: Solve for x
    x = 566,652,995.28/31,836.84
  6. Step 6: Final answer
    x = 17,798.66

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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.