Home / 36,756.12-50,735-21,647.76

Finding the Fourth Proportional to 36,756.12, 50,735 and 21,647.76

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Solution

The fourth proportional to 36,756.12, 50,735 and 21,647.76 is: 29,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,756.12 : 50,735 = 21,647.76 : x
  2. Step 2: Convert to fraction form
    36,756.12/50,735 = 21,647.76/x
  3. Step 3: Cross multiply
    36,756.12x = 50,735 × 21,647.76
  4. Step 4: Simplify right side
    36,756.12x = 1,098,299,103.60
  5. Step 5: Solve for x
    x = 1,098,299,103.60/36,756.12
  6. Step 6: Final answer
    x = 29,880.71

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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.