Home / 42,163.74-63,266.11-19,950.65

Finding the Fourth Proportional to 42,163.74, 63,266.11 and 19,950.65

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Solution

The fourth proportional to 42,163.74, 63,266.11 and 19,950.65 is: 29,935.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,163.74 : 63,266.11 = 19,950.65 : x
  2. Step 2: Convert to fraction form
    42,163.74/63,266.11 = 19,950.65/x
  3. Step 3: Cross multiply
    42,163.74x = 63,266.11 × 19,950.65
  4. Step 4: Simplify right side
    42,163.74x = 1,262,199,917.72
  5. Step 5: Solve for x
    x = 1,262,199,917.72/42,163.74
  6. Step 6: Final answer
    x = 29,935.68

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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.