Home / 66,247.37-91,421.30-37,953.17

Finding the Fourth Proportional to 66,247.37, 91,421.30 and 37,953.17

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Solution

The fourth proportional to 66,247.37, 91,421.30 and 37,953.17 is: 52,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,247.37 : 91,421.30 = 37,953.17 : x
  2. Step 2: Convert to fraction form
    66,247.37/91,421.30 = 37,953.17/x
  3. Step 3: Cross multiply
    66,247.37x = 91,421.30 × 37,953.17
  4. Step 4: Simplify right side
    66,247.37x = 3,469,728,140.52
  5. Step 5: Solve for x
    x = 3,469,728,140.52/66,247.37
  6. Step 6: Final answer
    x = 52,375.33

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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.