Home / 46,087.82-69,168.64-21,139.62

Finding the Fourth Proportional to 46,087.82, 69,168.64 and 21,139.62

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Solution

The fourth proportional to 46,087.82, 69,168.64 and 21,139.62 is: 31,726.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,087.82 : 69,168.64 = 21,139.62 : x
  2. Step 2: Convert to fraction form
    46,087.82/69,168.64 = 21,139.62/x
  3. Step 3: Cross multiply
    46,087.82x = 69,168.64 × 21,139.62
  4. Step 4: Simplify right side
    46,087.82x = 1,462,198,765.52
  5. Step 5: Solve for x
    x = 1,462,198,765.52/46,087.82
  6. Step 6: Final answer
    x = 31,726.36

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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.