Home / 51,964.50-77,950.80-18,688.89

Finding the Fourth Proportional to 51,964.50, 77,950.80 and 18,688.89

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Solution

The fourth proportional to 51,964.50, 77,950.80 and 18,688.89 is: 28,034.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,964.50 : 77,950.80 = 18,688.89 : x
  2. Step 2: Convert to fraction form
    51,964.50/77,950.80 = 18,688.89/x
  3. Step 3: Cross multiply
    51,964.50x = 77,950.80 × 18,688.89
  4. Step 4: Simplify right side
    51,964.50x = 1,456,813,926.61
  5. Step 5: Solve for x
    x = 1,456,813,926.61/51,964.50
  6. Step 6: Final answer
    x = 28,034.79

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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.