Home / 31,172.94-43,018.65-17,025.82

Finding the Fourth Proportional to 31,172.94, 43,018.65 and 17,025.82

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Solution

The fourth proportional to 31,172.94, 43,018.65 and 17,025.82 is: 23,495.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,172.94 : 43,018.65 = 17,025.82 : x
  2. Step 2: Convert to fraction form
    31,172.94/43,018.65 = 17,025.82/x
  3. Step 3: Cross multiply
    31,172.94x = 43,018.65 × 17,025.82
  4. Step 4: Simplify right side
    31,172.94x = 732,427,640.30
  5. Step 5: Solve for x
    x = 732,427,640.30/31,172.94
  6. Step 6: Final answer
    x = 23,495.62

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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.