Home / 31,212.44-43,073.17-20,053.88

Finding the Fourth Proportional to 31,212.44, 43,073.17 and 20,053.88

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Solution

The fourth proportional to 31,212.44, 43,073.17 and 20,053.88 is: 27,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212.44 : 43,073.17 = 20,053.88 : x
  2. Step 2: Convert to fraction form
    31,212.44/43,073.17 = 20,053.88/x
  3. Step 3: Cross multiply
    31,212.44x = 43,073.17 × 20,053.88
  4. Step 4: Simplify right side
    31,212.44x = 863,784,182.40
  5. Step 5: Solve for x
    x = 863,784,182.40/31,212.44
  6. Step 6: Final answer
    x = 27,674.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.