Home / 36,700.80-54,905.40-31,824.60

Finding the Fourth Proportional to 36,700.80, 54,905.40 and 31,824.60

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Solution

The fourth proportional to 36,700.80, 54,905.40 and 31,824.60 is: 47,610.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,700.80 : 54,905.40 = 31,824.60 : x
  2. Step 2: Convert to fraction form
    36,700.80/54,905.40 = 31,824.60/x
  3. Step 3: Cross multiply
    36,700.80x = 54,905.40 × 31,824.60
  4. Step 4: Simplify right side
    36,700.80x = 1,747,342,392.84
  5. Step 5: Solve for x
    x = 1,747,342,392.84/36,700.80
  6. Step 6: Final answer
    x = 47,610.47

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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.