Home / 65,310.66-90,136.26-37,021.50

Finding the Fourth Proportional to 65,310.66, 90,136.26 and 37,021.50

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Solution

The fourth proportional to 65,310.66, 90,136.26 and 37,021.50 is: 51,093.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,310.66 : 90,136.26 = 37,021.50 : x
  2. Step 2: Convert to fraction form
    65,310.66/90,136.26 = 37,021.50/x
  3. Step 3: Cross multiply
    65,310.66x = 90,136.26 × 37,021.50
  4. Step 4: Simplify right side
    65,310.66x = 3,336,979,549.59
  5. Step 5: Solve for x
    x = 3,336,979,549.59/65,310.66
  6. Step 6: Final answer
    x = 51,093.95

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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.