Home / 31,169.34-43,013.70-17,022.15

Finding the Fourth Proportional to 31,169.34, 43,013.70 and 17,022.15

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Solution

The fourth proportional to 31,169.34, 43,013.70 and 17,022.15 is: 23,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,169.34 : 43,013.70 = 17,022.15 : x
  2. Step 2: Convert to fraction form
    31,169.34/43,013.70 = 17,022.15/x
  3. Step 3: Cross multiply
    31,169.34x = 43,013.70 × 17,022.15
  4. Step 4: Simplify right side
    31,169.34x = 732,185,653.46
  5. Step 5: Solve for x
    x = 732,185,653.46/31,169.34
  6. Step 6: Final answer
    x = 23,490.57

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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.