Home / 37,330-51,515.40-20,563.36

Finding the Fourth Proportional to 37,330, 51,515.40 and 20,563.36

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Solution

The fourth proportional to 37,330, 51,515.40 and 20,563.36 is: 28,377.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,330 : 51,515.40 = 20,563.36 : x
  2. Step 2: Convert to fraction form
    37,330/51,515.40 = 20,563.36/x
  3. Step 3: Cross multiply
    37,330x = 51,515.40 × 20,563.36
  4. Step 4: Simplify right side
    37,330x = 1,059,329,715.74
  5. Step 5: Solve for x
    x = 1,059,329,715.74/37,330
  6. Step 6: Final answer
    x = 28,377.44

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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.