Home / 31,188.16-43,040.28-17,041.88

Finding the Fourth Proportional to 31,188.16, 43,040.28 and 17,041.88

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Solution

The fourth proportional to 31,188.16, 43,040.28 and 17,041.88 is: 23,518.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,188.16 : 43,040.28 = 17,041.88 : x
  2. Step 2: Convert to fraction form
    31,188.16/43,040.28 = 17,041.88/x
  3. Step 3: Cross multiply
    31,188.16x = 43,040.28 × 17,041.88
  4. Step 4: Simplify right side
    31,188.16x = 733,487,286.93
  5. Step 5: Solve for x
    x = 733,487,286.93/31,188.16
  6. Step 6: Final answer
    x = 23,518.13

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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.