Home / 31,240.07-43,112.37-17,092.92

Finding the Fourth Proportional to 31,240.07, 43,112.37 and 17,092.92

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Solution

The fourth proportional to 31,240.07, 43,112.37 and 17,092.92 is: 23,588.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,240.07 : 43,112.37 = 17,092.92 : x
  2. Step 2: Convert to fraction form
    31,240.07/43,112.37 = 17,092.92/x
  3. Step 3: Cross multiply
    31,240.07x = 43,112.37 × 17,092.92
  4. Step 4: Simplify right side
    31,240.07x = 736,916,291.42
  5. Step 5: Solve for x
    x = 736,916,291.42/31,240.07
  6. Step 6: Final answer
    x = 23,588.82

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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.