Home / 35,481.53-53,232.05-18,615.65

Finding the Fourth Proportional to 35,481.53, 53,232.05 and 18,615.65

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Solution

The fourth proportional to 35,481.53, 53,232.05 and 18,615.65 is: 27,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,481.53 : 53,232.05 = 18,615.65 : x
  2. Step 2: Convert to fraction form
    35,481.53/53,232.05 = 18,615.65/x
  3. Step 3: Cross multiply
    35,481.53x = 53,232.05 × 18,615.65
  4. Step 4: Simplify right side
    35,481.53x = 990,948,991.96
  5. Step 5: Solve for x
    x = 990,948,991.96/35,481.53
  6. Step 6: Final answer
    x = 27,928.58

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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.