Home / 54,481.26-75,180.09-30,611.91

Finding the Fourth Proportional to 54,481.26, 75,180.09 and 30,611.91

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Solution

The fourth proportional to 54,481.26, 75,180.09 and 30,611.91 is: 42,242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481.26 : 75,180.09 = 30,611.91 : x
  2. Step 2: Convert to fraction form
    54,481.26/75,180.09 = 30,611.91/x
  3. Step 3: Cross multiply
    54,481.26x = 75,180.09 × 30,611.91
  4. Step 4: Simplify right side
    54,481.26x = 2,301,406,148.87
  5. Step 5: Solve for x
    x = 2,301,406,148.87/54,481.26
  6. Step 6: Final answer
    x = 42,242.16

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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.