Home / 51,136.36-76,708.98-15,605.68

Finding the Fourth Proportional to 51,136.36, 76,708.98 and 15,605.68

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Solution

The fourth proportional to 51,136.36, 76,708.98 and 15,605.68 is: 23,409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,136.36 : 76,708.98 = 15,605.68 : x
  2. Step 2: Convert to fraction form
    51,136.36/76,708.98 = 15,605.68/x
  3. Step 3: Cross multiply
    51,136.36x = 76,708.98 × 15,605.68
  4. Step 4: Simplify right side
    51,136.36x = 1,197,096,065.89
  5. Step 5: Solve for x
    x = 1,197,096,065.89/51,136.36
  6. Step 6: Final answer
    x = 23,409.88

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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.