Home / 31,672.54-43,707.71-17,332.21

Finding the Fourth Proportional to 31,672.54, 43,707.71 and 17,332.21

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Solution

The fourth proportional to 31,672.54, 43,707.71 and 17,332.21 is: 23,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,672.54 : 43,707.71 = 17,332.21 : x
  2. Step 2: Convert to fraction form
    31,672.54/43,707.71 = 17,332.21/x
  3. Step 3: Cross multiply
    31,672.54x = 43,707.71 × 17,332.21
  4. Step 4: Simplify right side
    31,672.54x = 757,551,360.94
  5. Step 5: Solve for x
    x = 757,551,360.94/31,672.54
  6. Step 6: Final answer
    x = 23,918.24

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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.