Home / 41,987.40-57,884.55-30,029.88

Finding the Fourth Proportional to 41,987.40, 57,884.55 and 30,029.88

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Solution

The fourth proportional to 41,987.40, 57,884.55 and 30,029.88 is: 41,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,987.40 : 57,884.55 = 30,029.88 : x
  2. Step 2: Convert to fraction form
    41,987.40/57,884.55 = 30,029.88/x
  3. Step 3: Cross multiply
    41,987.40x = 57,884.55 × 30,029.88
  4. Step 4: Simplify right side
    41,987.40x = 1,738,266,090.35
  5. Step 5: Solve for x
    x = 1,738,266,090.35/41,987.40
  6. Step 6: Final answer
    x = 41,399.71

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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.