Home / 55,037.92-75,952.62-31,169.24

Finding the Fourth Proportional to 55,037.92, 75,952.62 and 31,169.24

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Solution

The fourth proportional to 55,037.92, 75,952.62 and 31,169.24 is: 43,013.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,037.92 : 75,952.62 = 31,169.24 : x
  2. Step 2: Convert to fraction form
    55,037.92/75,952.62 = 31,169.24/x
  3. Step 3: Cross multiply
    55,037.92x = 75,952.62 × 31,169.24
  4. Step 4: Simplify right side
    55,037.92x = 2,367,385,441.41
  5. Step 5: Solve for x
    x = 2,367,385,441.41/55,037.92
  6. Step 6: Final answer
    x = 43,013.72

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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.