Home / 65,423.24-90,286.84-37,131.56

Finding the Fourth Proportional to 65,423.24, 90,286.84 and 37,131.56

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Solution

The fourth proportional to 65,423.24, 90,286.84 and 37,131.56 is: 51,243.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,423.24 : 90,286.84 = 37,131.56 : x
  2. Step 2: Convert to fraction form
    65,423.24/90,286.84 = 37,131.56/x
  3. Step 3: Cross multiply
    65,423.24x = 90,286.84 × 37,131.56
  4. Step 4: Simplify right side
    65,423.24x = 3,352,491,216.67
  5. Step 5: Solve for x
    x = 3,352,491,216.67/65,423.24
  6. Step 6: Final answer
    x = 51,243.12

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1.5x scale

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.