Home / 31,461.92-43,418.31-17,315.63

Finding the Fourth Proportional to 31,461.92, 43,418.31 and 17,315.63

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Solution

The fourth proportional to 31,461.92, 43,418.31 and 17,315.63 is: 23,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461.92 : 43,418.31 = 17,315.63 : x
  2. Step 2: Convert to fraction form
    31,461.92/43,418.31 = 17,315.63/x
  3. Step 3: Cross multiply
    31,461.92x = 43,418.31 × 17,315.63
  4. Step 4: Simplify right side
    31,461.92x = 751,815,391.19
  5. Step 5: Solve for x
    x = 751,815,391.19/31,461.92
  6. Step 6: Final answer
    x = 23,896.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.