Home / 51,136.05-76,708.51-15,605.37

Finding the Fourth Proportional to 51,136.05, 76,708.51 and 15,605.37

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Solution

The fourth proportional to 51,136.05, 76,708.51 and 15,605.37 is: 23,409.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,136.05 : 76,708.51 = 15,605.37 : x
  2. Step 2: Convert to fraction form
    51,136.05/76,708.51 = 15,605.37/x
  3. Step 3: Cross multiply
    51,136.05x = 76,708.51 × 15,605.37
  4. Step 4: Simplify right side
    51,136.05x = 1,197,064,826.36
  5. Step 5: Solve for x
    x = 1,197,064,826.36/51,136.05
  6. Step 6: Final answer
    x = 23,409.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.