Home / 36,945.11-50,985.53-21,850.71

Finding the Fourth Proportional to 36,945.11, 50,985.53 and 21,850.71

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Solution

The fourth proportional to 36,945.11, 50,985.53 and 21,850.71 is: 30,154.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,945.11 : 50,985.53 = 21,850.71 : x
  2. Step 2: Convert to fraction form
    36,945.11/50,985.53 = 21,850.71/x
  3. Step 3: Cross multiply
    36,945.11x = 50,985.53 × 21,850.71
  4. Step 4: Simplify right side
    36,945.11x = 1,114,070,037.06
  5. Step 5: Solve for x
    x = 1,114,070,037.06/36,945.11
  6. Step 6: Final answer
    x = 30,154.73

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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.