Home / 50,729.34-76,100.94-21,140.26

Finding the Fourth Proportional to 50,729.34, 76,100.94 and 21,140.26

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Solution

The fourth proportional to 50,729.34, 76,100.94 and 21,140.26 is: 31,713.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,729.34 : 76,100.94 = 21,140.26 : x
  2. Step 2: Convert to fraction form
    50,729.34/76,100.94 = 21,140.26/x
  3. Step 3: Cross multiply
    50,729.34x = 76,100.94 × 21,140.26
  4. Step 4: Simplify right side
    50,729.34x = 1,608,793,657.84
  5. Step 5: Solve for x
    x = 1,608,793,657.84/50,729.34
  6. Step 6: Final answer
    x = 31,713.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.