Home / 31,537.57-43,519.62-17,390.11

Finding the Fourth Proportional to 31,537.57, 43,519.62 and 17,390.11

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Solution

The fourth proportional to 31,537.57, 43,519.62 and 17,390.11 is: 23,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.57 : 43,519.62 = 17,390.11 : x
  2. Step 2: Convert to fraction form
    31,537.57/43,519.62 = 17,390.11/x
  3. Step 3: Cross multiply
    31,537.57x = 43,519.62 × 17,390.11
  4. Step 4: Simplify right side
    31,537.57x = 756,810,674.41
  5. Step 5: Solve for x
    x = 756,810,674.41/31,537.57
  6. Step 6: Final answer
    x = 23,997.12

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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.