Home / 51,473.70-77,216.31-16,405.38

Finding the Fourth Proportional to 51,473.70, 77,216.31 and 16,405.38

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Solution

The fourth proportional to 51,473.70, 77,216.31 and 16,405.38 is: 24,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,473.70 : 77,216.31 = 16,405.38 : x
  2. Step 2: Convert to fraction form
    51,473.70/77,216.31 = 16,405.38/x
  3. Step 3: Cross multiply
    51,473.70x = 77,216.31 × 16,405.38
  4. Step 4: Simplify right side
    51,473.70x = 1,266,762,907.75
  5. Step 5: Solve for x
    x = 1,266,762,907.75/51,473.70
  6. Step 6: Final answer
    x = 24,609.91

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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.