Home / 31,908.05-47,832.48-14,129.24

Finding the Fourth Proportional to 31,908.05, 47,832.48 and 14,129.24

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Solution

The fourth proportional to 31,908.05, 47,832.48 and 14,129.24 is: 21,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,908.05 : 47,832.48 = 14,129.24 : x
  2. Step 2: Convert to fraction form
    31,908.05/47,832.48 = 14,129.24/x
  3. Step 3: Cross multiply
    31,908.05x = 47,832.48 × 14,129.24
  4. Step 4: Simplify right side
    31,908.05x = 675,836,589.72
  5. Step 5: Solve for x
    x = 675,836,589.72/31,908.05
  6. Step 6: Final answer
    x = 21,180.76

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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.