Home / 53,012.97-73,156.66-28,813.36

Finding the Fourth Proportional to 53,012.97, 73,156.66 and 28,813.36

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Solution

The fourth proportional to 53,012.97, 73,156.66 and 28,813.36 is: 39,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012.97 : 73,156.66 = 28,813.36 : x
  2. Step 2: Convert to fraction form
    53,012.97/73,156.66 = 28,813.36/x
  3. Step 3: Cross multiply
    53,012.97x = 73,156.66 × 28,813.36
  4. Step 4: Simplify right side
    53,012.97x = 2,107,889,180.98
  5. Step 5: Solve for x
    x = 2,107,889,180.98/53,012.97
  6. Step 6: Final answer
    x = 39,761.76

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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.