Home / 51,136.60-76,689.78-23,040.40

Finding the Fourth Proportional to 51,136.60, 76,689.78 and 23,040.40

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Solution

The fourth proportional to 51,136.60, 76,689.78 and 23,040.40 is: 34,553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,136.60 : 76,689.78 = 23,040.40 : x
  2. Step 2: Convert to fraction form
    51,136.60/76,689.78 = 23,040.40/x
  3. Step 3: Cross multiply
    51,136.60x = 76,689.78 × 23,040.40
  4. Step 4: Simplify right side
    51,136.60x = 1,766,963,207.11
  5. Step 5: Solve for x
    x = 1,766,963,207.11/51,136.60
  6. Step 6: Final answer
    x = 34,553.79

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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.