Home / 31,964.86-47,932.38-10,899.22

Finding the Fourth Proportional to 31,964.86, 47,932.38 and 10,899.22

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Solution

The fourth proportional to 31,964.86, 47,932.38 and 10,899.22 is: 16,343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,964.86 : 47,932.38 = 10,899.22 : x
  2. Step 2: Convert to fraction form
    31,964.86/47,932.38 = 10,899.22/x
  3. Step 3: Cross multiply
    31,964.86x = 47,932.38 × 10,899.22
  4. Step 4: Simplify right side
    31,964.86x = 522,425,554.74
  5. Step 5: Solve for x
    x = 522,425,554.74/31,964.86
  6. Step 6: Final answer
    x = 16,343.75

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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.