Home / 31,467.63-43,425-17,320.17

Finding the Fourth Proportional to 31,467.63, 43,425 and 17,320.17

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Solution

The fourth proportional to 31,467.63, 43,425 and 17,320.17 is: 23,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.63 : 43,425 = 17,320.17 : x
  2. Step 2: Convert to fraction form
    31,467.63/43,425 = 17,320.17/x
  3. Step 3: Cross multiply
    31,467.63x = 43,425 × 17,320.17
  4. Step 4: Simplify right side
    31,467.63x = 752,128,382.25
  5. Step 5: Solve for x
    x = 752,128,382.25/31,467.63
  6. Step 6: Final answer
    x = 23,901.65

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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.