Home / 51,247.26-70,721.20-28,891.26

Finding the Fourth Proportional to 51,247.26, 70,721.20 and 28,891.26

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Solution

The fourth proportional to 51,247.26, 70,721.20 and 28,891.26 is: 39,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,247.26 : 70,721.20 = 28,891.26 : x
  2. Step 2: Convert to fraction form
    51,247.26/70,721.20 = 28,891.26/x
  3. Step 3: Cross multiply
    51,247.26x = 70,721.20 × 28,891.26
  4. Step 4: Simplify right side
    51,247.26x = 2,043,224,576.71
  5. Step 5: Solve for x
    x = 2,043,224,576.71/51,247.26
  6. Step 6: Final answer
    x = 39,869.93

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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.