Home / 53,381.09-73,453.43-51,757.85

Finding the Fourth Proportional to 53,381.09, 73,453.43 and 51,757.85

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Solution

The fourth proportional to 53,381.09, 73,453.43 and 51,757.85 is: 71,219.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,381.09 : 73,453.43 = 51,757.85 : x
  2. Step 2: Convert to fraction form
    53,381.09/73,453.43 = 51,757.85/x
  3. Step 3: Cross multiply
    53,381.09x = 73,453.43 × 51,757.85
  4. Step 4: Simplify right side
    53,381.09x = 3,801,791,353.14
  5. Step 5: Solve for x
    x = 3,801,791,353.14/53,381.09
  6. Step 6: Final answer
    x = 71,219.81

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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.