Home / 36,278.64-50,074.97-21,938.50

Finding the Fourth Proportional to 36,278.64, 50,074.97 and 21,938.50

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Solution

The fourth proportional to 36,278.64, 50,074.97 and 21,938.50 is: 30,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,278.64 : 50,074.97 = 21,938.50 : x
  2. Step 2: Convert to fraction form
    36,278.64/50,074.97 = 21,938.50/x
  3. Step 3: Cross multiply
    36,278.64x = 50,074.97 × 21,938.50
  4. Step 4: Simplify right side
    36,278.64x = 1,098,569,729.35
  5. Step 5: Solve for x
    x = 1,098,569,729.35/36,278.64
  6. Step 6: Final answer
    x = 30,281.45

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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.