Home / 36,281.79-50,079.30-21,941.64

Finding the Fourth Proportional to 36,281.79, 50,079.30 and 21,941.64

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Solution

The fourth proportional to 36,281.79, 50,079.30 and 21,941.64 is: 30,285.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,281.79 : 50,079.30 = 21,941.64 : x
  2. Step 2: Convert to fraction form
    36,281.79/50,079.30 = 21,941.64/x
  3. Step 3: Cross multiply
    36,281.79x = 50,079.30 × 21,941.64
  4. Step 4: Simplify right side
    36,281.79x = 1,098,821,972.05
  5. Step 5: Solve for x
    x = 1,098,821,972.05/36,281.79
  6. Step 6: Final answer
    x = 30,285.77

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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.