Home / 55,037.32-75,952.26-31,163.48

Finding the Fourth Proportional to 55,037.32, 75,952.26 and 31,163.48

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Solution

The fourth proportional to 55,037.32, 75,952.26 and 31,163.48 is: 43,006.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,037.32 : 75,952.26 = 31,163.48 : x
  2. Step 2: Convert to fraction form
    55,037.32/75,952.26 = 31,163.48/x
  3. Step 3: Cross multiply
    55,037.32x = 75,952.26 × 31,163.48
  4. Step 4: Simplify right side
    55,037.32x = 2,366,936,735.46
  5. Step 5: Solve for x
    x = 2,366,936,735.46/55,037.32
  6. Step 6: Final answer
    x = 43,006.03

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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.