Home / 31,546.89-47,337.74-18,236.25

Finding the Fourth Proportional to 31,546.89, 47,337.74 and 18,236.25

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Solution

The fourth proportional to 31,546.89, 47,337.74 and 18,236.25 is: 27,364.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,546.89 : 47,337.74 = 18,236.25 : x
  2. Step 2: Convert to fraction form
    31,546.89/47,337.74 = 18,236.25/x
  3. Step 3: Cross multiply
    31,546.89x = 47,337.74 × 18,236.25
  4. Step 4: Simplify right side
    31,546.89x = 863,262,769.89
  5. Step 5: Solve for x
    x = 863,262,769.89/31,546.89
  6. Step 6: Final answer
    x = 27,364.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.