Home / 51,898.60-77,867.10-16,839.40

Finding the Fourth Proportional to 51,898.60, 77,867.10 and 16,839.40

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Solution

The fourth proportional to 51,898.60, 77,867.10 and 16,839.40 is: 25,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,898.60 : 77,867.10 = 16,839.40 : x
  2. Step 2: Convert to fraction form
    51,898.60/77,867.10 = 16,839.40/x
  3. Step 3: Cross multiply
    51,898.60x = 77,867.10 × 16,839.40
  4. Step 4: Simplify right side
    51,898.60x = 1,311,235,243.74
  5. Step 5: Solve for x
    x = 1,311,235,243.74/51,898.60
  6. Step 6: Final answer
    x = 25,265.33

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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.