Home / 31,962.84-47,944.21-8,589.28

Finding the Fourth Proportional to 31,962.84, 47,944.21 and 8,589.28

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Solution

The fourth proportional to 31,962.84, 47,944.21 and 8,589.28 is: 12,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,962.84 : 47,944.21 = 8,589.28 : x
  2. Step 2: Convert to fraction form
    31,962.84/47,944.21 = 8,589.28/x
  3. Step 3: Cross multiply
    31,962.84x = 47,944.21 × 8,589.28
  4. Step 4: Simplify right side
    31,962.84x = 411,806,244.07
  5. Step 5: Solve for x
    x = 411,806,244.07/31,962.84
  6. Step 6: Final answer
    x = 12,883.91

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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.