Home / 46,427.91-69,651.50-21,115.37

Finding the Fourth Proportional to 46,427.91, 69,651.50 and 21,115.37

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Solution

The fourth proportional to 46,427.91, 69,651.50 and 21,115.37 is: 31,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,427.91 : 69,651.50 = 21,115.37 : x
  2. Step 2: Convert to fraction form
    46,427.91/69,651.50 = 21,115.37/x
  3. Step 3: Cross multiply
    46,427.91x = 69,651.50 × 21,115.37
  4. Step 4: Simplify right side
    46,427.91x = 1,470,716,739.72
  5. Step 5: Solve for x
    x = 1,470,716,739.72/46,427.91
  6. Step 6: Final answer
    x = 31,677.43

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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.