Home / 31,512.16-43,486.79-17,365.01

Finding the Fourth Proportional to 31,512.16, 43,486.79 and 17,365.01

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Solution

The fourth proportional to 31,512.16, 43,486.79 and 17,365.01 is: 23,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.16 : 43,486.79 = 17,365.01 : x
  2. Step 2: Convert to fraction form
    31,512.16/43,486.79 = 17,365.01/x
  3. Step 3: Cross multiply
    31,512.16x = 43,486.79 × 17,365.01
  4. Step 4: Simplify right side
    31,512.16x = 755,148,385.69
  5. Step 5: Solve for x
    x = 755,148,385.69/31,512.16
  6. Step 6: Final answer
    x = 23,963.71

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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.