Home / 51,265.20-76,883.40-16,215.60

Finding the Fourth Proportional to 51,265.20, 76,883.40 and 16,215.60

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Solution

The fourth proportional to 51,265.20, 76,883.40 and 16,215.60 is: 24,318.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,265.20 : 76,883.40 = 16,215.60 : x
  2. Step 2: Convert to fraction form
    51,265.20/76,883.40 = 16,215.60/x
  3. Step 3: Cross multiply
    51,265.20x = 76,883.40 × 16,215.60
  4. Step 4: Simplify right side
    51,265.20x = 1,246,710,461.04
  5. Step 5: Solve for x
    x = 1,246,710,461.04/51,265.20
  6. Step 6: Final answer
    x = 24,318.85

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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.