Home / 36,729.95-50,687.31-21,825.95

Finding the Fourth Proportional to 36,729.95, 50,687.31 and 21,825.95

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Solution

The fourth proportional to 36,729.95, 50,687.31 and 21,825.95 is: 30,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,729.95 : 50,687.31 = 21,825.95 : x
  2. Step 2: Convert to fraction form
    36,729.95/50,687.31 = 21,825.95/x
  3. Step 3: Cross multiply
    36,729.95x = 50,687.31 × 21,825.95
  4. Step 4: Simplify right side
    36,729.95x = 1,106,298,440.26
  5. Step 5: Solve for x
    x = 1,106,298,440.26/36,729.95
  6. Step 6: Final answer
    x = 30,119.80

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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.