Home / 31,188.14-43,040.28-17,041.92

Finding the Fourth Proportional to 31,188.14, 43,040.28 and 17,041.92

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Solution

The fourth proportional to 31,188.14, 43,040.28 and 17,041.92 is: 23,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,188.14 : 43,040.28 = 17,041.92 : x
  2. Step 2: Convert to fraction form
    31,188.14/43,040.28 = 17,041.92/x
  3. Step 3: Cross multiply
    31,188.14x = 43,040.28 × 17,041.92
  4. Step 4: Simplify right side
    31,188.14x = 733,489,008.54
  5. Step 5: Solve for x
    x = 733,489,008.54/31,188.14
  6. Step 6: Final answer
    x = 23,518.20

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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.