Home / 31,188.60-43,040.46-17,760.84

Finding the Fourth Proportional to 31,188.60, 43,040.46 and 17,760.84

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Solution

The fourth proportional to 31,188.60, 43,040.46 and 17,760.84 is: 24,510.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,188.60 : 43,040.46 = 17,760.84 : x
  2. Step 2: Convert to fraction form
    31,188.60/43,040.46 = 17,760.84/x
  3. Step 3: Cross multiply
    31,188.60x = 43,040.46 × 17,760.84
  4. Step 4: Simplify right side
    31,188.60x = 764,434,723.59
  5. Step 5: Solve for x
    x = 764,434,723.59/31,188.60
  6. Step 6: Final answer
    x = 24,510.07

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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.