Home / 55,139.94-76,072.50-32,465.07

Finding the Fourth Proportional to 55,139.94, 76,072.50 and 32,465.07

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Solution

The fourth proportional to 55,139.94, 76,072.50 and 32,465.07 is: 44,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,139.94 : 76,072.50 = 32,465.07 : x
  2. Step 2: Convert to fraction form
    55,139.94/76,072.50 = 32,465.07/x
  3. Step 3: Cross multiply
    55,139.94x = 76,072.50 × 32,465.07
  4. Step 4: Simplify right side
    55,139.94x = 2,469,699,037.58
  5. Step 5: Solve for x
    x = 2,469,699,037.58/55,139.94
  6. Step 6: Final answer
    x = 44,789.66

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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.