Home / 43,338.72-65,007.60-13,755.76

Finding the Fourth Proportional to 43,338.72, 65,007.60 and 13,755.76

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Solution

The fourth proportional to 43,338.72, 65,007.60 and 13,755.76 is: 20,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,338.72 : 65,007.60 = 13,755.76 : x
  2. Step 2: Convert to fraction form
    43,338.72/65,007.60 = 13,755.76/x
  3. Step 3: Cross multiply
    43,338.72x = 65,007.60 × 13,755.76
  4. Step 4: Simplify right side
    43,338.72x = 894,228,943.78
  5. Step 5: Solve for x
    x = 894,228,943.78/43,338.72
  6. Step 6: Final answer
    x = 20,633.49

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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.