Home / 39,810.70-54,932.49-22,811.68

Finding the Fourth Proportional to 39,810.70, 54,932.49 and 22,811.68

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Solution

The fourth proportional to 39,810.70, 54,932.49 and 22,811.68 is: 31,476.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,810.70 : 54,932.49 = 22,811.68 : x
  2. Step 2: Convert to fraction form
    39,810.70/54,932.49 = 22,811.68/x
  3. Step 3: Cross multiply
    39,810.70x = 54,932.49 × 22,811.68
  4. Step 4: Simplify right side
    39,810.70x = 1,253,102,143.15
  5. Step 5: Solve for x
    x = 1,253,102,143.15/39,810.70
  6. Step 6: Final answer
    x = 31,476.52

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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.