Home / 51,126.96-70,553.82-28,465.97

Finding the Fourth Proportional to 51,126.96, 70,553.82 and 28,465.97

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Solution

The fourth proportional to 51,126.96, 70,553.82 and 28,465.97 is: 39,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,126.96 : 70,553.82 = 28,465.97 : x
  2. Step 2: Convert to fraction form
    51,126.96/70,553.82 = 28,465.97/x
  3. Step 3: Cross multiply
    51,126.96x = 70,553.82 × 28,465.97
  4. Step 4: Simplify right side
    51,126.96x = 2,008,382,570.74
  5. Step 5: Solve for x
    x = 2,008,382,570.74/51,126.96
  6. Step 6: Final answer
    x = 39,282.26

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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.