Home / 31,024.70-46,519.42-21,175.90

Finding the Fourth Proportional to 31,024.70, 46,519.42 and 21,175.90

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Solution

The fourth proportional to 31,024.70, 46,519.42 and 21,175.90 is: 31,751.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,024.70 : 46,519.42 = 21,175.90 : x
  2. Step 2: Convert to fraction form
    31,024.70/46,519.42 = 21,175.90/x
  3. Step 3: Cross multiply
    31,024.70x = 46,519.42 × 21,175.90
  4. Step 4: Simplify right side
    31,024.70x = 985,090,585.98
  5. Step 5: Solve for x
    x = 985,090,585.98/31,024.70
  6. Step 6: Final answer
    x = 31,751.82

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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.