Home / 51,246.26-70,719.82-28,890.26

Finding the Fourth Proportional to 51,246.26, 70,719.82 and 28,890.26

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Solution

The fourth proportional to 51,246.26, 70,719.82 and 28,890.26 is: 39,868.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,246.26 : 70,719.82 = 28,890.26 : x
  2. Step 2: Convert to fraction form
    51,246.26/70,719.82 = 28,890.26/x
  3. Step 3: Cross multiply
    51,246.26x = 70,719.82 × 28,890.26
  4. Step 4: Simplify right side
    51,246.26x = 2,043,113,986.95
  5. Step 5: Solve for x
    x = 2,043,113,986.95/51,246.26
  6. Step 6: Final answer
    x = 39,868.55

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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.