Home / 31,995.66-47,997.54-10,939.74

Finding the Fourth Proportional to 31,995.66, 47,997.54 and 10,939.74

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Solution

The fourth proportional to 31,995.66, 47,997.54 and 10,939.74 is: 16,410.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,995.66 : 47,997.54 = 10,939.74 : x
  2. Step 2: Convert to fraction form
    31,995.66/47,997.54 = 10,939.74/x
  3. Step 3: Cross multiply
    31,995.66x = 47,997.54 × 10,939.74
  4. Step 4: Simplify right side
    31,995.66x = 525,080,608.24
  5. Step 5: Solve for x
    x = 525,080,608.24/31,995.66
  6. Step 6: Final answer
    x = 16,410.99

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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.