Home / 51,463.08-71,020.98-28,801.98

Finding the Fourth Proportional to 51,463.08, 71,020.98 and 28,801.98

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Solution

The fourth proportional to 51,463.08, 71,020.98 and 28,801.98 is: 39,747.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,463.08 : 71,020.98 = 28,801.98 : x
  2. Step 2: Convert to fraction form
    51,463.08/71,020.98 = 28,801.98/x
  3. Step 3: Cross multiply
    51,463.08x = 71,020.98 × 28,801.98
  4. Step 4: Simplify right side
    51,463.08x = 2,045,544,845.54
  5. Step 5: Solve for x
    x = 2,045,544,845.54/51,463.08
  6. Step 6: Final answer
    x = 39,747.81

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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.