Home / 51,864.96-77,788.80-16,829.76

Finding the Fourth Proportional to 51,864.96, 77,788.80 and 16,829.76

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Solution

The fourth proportional to 51,864.96, 77,788.80 and 16,829.76 is: 25,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,864.96 : 77,788.80 = 16,829.76 : x
  2. Step 2: Convert to fraction form
    51,864.96/77,788.80 = 16,829.76/x
  3. Step 3: Cross multiply
    51,864.96x = 77,788.80 × 16,829.76
  4. Step 4: Simplify right side
    51,864.96x = 1,309,166,834.69
  5. Step 5: Solve for x
    x = 1,309,166,834.69/51,864.96
  6. Step 6: Final answer
    x = 25,241.84

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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.